{"api_version":"1","generated_at":"2026-07-07T14:19:23+00:00","cve":"CVE-2026-20244","urls":{"html":"https://cve.report/CVE-2026-20244","api":"https://cve.report/api/cve/CVE-2026-20244.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-20244","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-20244"},"summary":{"title":"ClamAV DMG File Processing Denial of Service Vulnerability","description":"A vulnerability in the DMG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device.\r\n\r\nThis vulnerability is due to improper boundary checks for content in DMG files during scanning, which may result in an integer overflow on 32-bit platforms only. An attacker could exploit this vulnerability by submitting a crafted file that contains DMG content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.","state":"PUBLISHED","assigner":"cisco","published_at":"2026-07-01 17:16:30","updated_at":"2026-07-01 18:16:32"},"problem_types":["CWE-120","CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"],"metrics":[{"version":"3.1","source":"psirt@cisco.com","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSSV3_1","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-88cFYyxR","name":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-88cFYyxR","refsource":"psirt@cisco.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-20244","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20244","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.0.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.2.19","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.3.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.2.13","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.1.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.3.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.2.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.3.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.2.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.2.7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.1.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.3.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.2.9","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.3.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.1.7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.2.11","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.2.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.1.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.3.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.3.9","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.2.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.1.9","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.0.9","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.2.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.0.7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 6.3.7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.12.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.8.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.11.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.12.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.10.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.12.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.8.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.10.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.12.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.12.6","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.14.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.10.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.12.7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.12.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.6.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.9.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.11.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.7.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.13.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.8.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.13.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.9.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.12.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.13.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.1.7.21512","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.1.7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.1.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.1.3.21242","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.1.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.1.5.21322","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.1.7.21417","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.14.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.15.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.15.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.15.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.15.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.15.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.15.6","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.16.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.16.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.16.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.16.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.18.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.18.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.21.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.21.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.21.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.21.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.22.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.22.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.22.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.22.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.22.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.24.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.24.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.24.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.24.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.24.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.26.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.24.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.26.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.27.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.15.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.17.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.17.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.17.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.19.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.4","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.6","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.23.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.23.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.20.8","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.25.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.25.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.25.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.27.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 1.27.2","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.3.13","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.3.15","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.4.1","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.4.1.20425","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.4.1.20439","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.4.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.4.3.20679","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.4.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.1.20813","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.1.20833","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.5","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.0.1.21160","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.0.1.21164","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.7","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.9","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.11","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.1.7.21585","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.13.21586","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.13.21598","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.2.1.21612","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.2.1.21650","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.15.21611","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.17.21680","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.2.3.30119","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.2.4.30130","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.4.0","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.19","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.4.1.30298","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.4.2.30317","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.4.1.30307","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.20","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.4.3","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.4.4.30419","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.4.4.30467","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 7.5.21.21732","platforms":[]},{"source":"CNA","vendor":"Cisco","product":"Cisco Secure Endpoint","version":"affected 8.4.5.30483","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[{"source":"CNA","title":"","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory.","time":"","lang":"en"}],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"20244","cve":"CVE-2026-20244","epss":"0.003890000","percentile":"0.308920000","score_date":"2026-07-04","updated_at":"2026-07-05 00:02:27"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-20244","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-07-01T17:17:32.499689Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-01T17:25:08.394Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unknown","product":"Cisco Secure Endpoint","vendor":"Cisco","versions":[{"status":"affected","version":"7.0.5"},{"status":"affected","version":"6.2.19"},{"status":"affected","version":"7.3.3"},{"status":"affected","version":"7.2.13"},{"status":"affected","version":"6.1.5"},{"status":"affected","version":"6.3.1"},{"status":"affected","version":"6.2.5"},{"status":"affected","version":"7.3.5"},{"status":"affected","version":"6.2.1"},{"status":"affected","version":"7.2.7"},{"status":"affected","version":"7.1.1"},{"status":"affected","version":"6.3.5"},{"status":"affected","version":"6.2.9"},{"status":"affected","version":"7.3.1"},{"status":"affected","version":"6.1.7"},{"status":"affected","version":"7.2.11"},{"status":"affected","version":"7.2.3"},{"status":"affected","version":"7.1.5"},{"status":"affected","version":"6.3.3"},{"status":"affected","version":"7.3.9"},{"status":"affected","version":"6.2.3"},{"status":"affected","version":"6.1.9"},{"status":"affected","version":"6.0.9"},{"status":"affected","version":"7.2.5"},{"status":"affected","version":"6.0.7"},{"status":"affected","version":"6.3.7"},{"status":"affected","version":"1.12.3"},{"status":"affected","version":"1.8.0"},{"status":"affected","version":"1.11.1"},{"status":"affected","version":"1.12.4"},{"status":"affected","version":"1.10.0"},{"status":"affected","version":"1.12.0"},{"status":"affected","version":"1.8.1"},{"status":"affected","version":"1.10.1"},{"status":"affected","version":"1.12.1"},{"status":"affected","version":"1.12.6"},{"status":"affected","version":"1.14.0"},{"status":"affected","version":"1.10.2"},{"status":"affected","version":"1.12.7"},{"status":"affected","version":"1.12.2"},{"status":"affected","version":"1.6.0"},{"status":"affected","version":"1.9.0"},{"status":"affected","version":"1.11.0"},{"status":"affected","version":"1.7.0"},{"status":"affected","version":"1.13.0"},{"status":"affected","version":"1.8.4"},{"status":"affected","version":"1.13.1"},{"status":"affected","version":"1.9.1"},{"status":"affected","version":"1.12.5"},{"status":"affected","version":"1.13.2"},{"status":"affected","version":"8.1.7.21512"},{"status":"affected","version":"8.1.7"},{"status":"affected","version":"8.1.5"},{"status":"affected","version":"8.1.3.21242"},{"status":"affected","version":"8.1.3"},{"status":"affected","version":"8.1.5.21322"},{"status":"affected","version":"8.1.7.21417"},{"status":"affected","version":"1.14.1"},{"status":"affected","version":"1.15.1"},{"status":"affected","version":"1.15.2"},{"status":"affected","version":"1.15.3"},{"status":"affected","version":"1.15.4"},{"status":"affected","version":"1.15.5"},{"status":"affected","version":"1.15.6"},{"status":"affected","version":"1.16.0"},{"status":"affected","version":"1.16.1"},{"status":"affected","version":"1.16.2"},{"status":"affected","version":"1.16.3"},{"status":"affected","version":"1.18.0"},{"status":"affected","version":"1.18.1"},{"status":"affected","version":"1.20.0"},{"status":"affected","version":"1.21.0"},{"status":"affected","version":"1.21.1"},{"status":"affected","version":"1.21.2"},{"status":"affected","version":"1.21.3"},{"status":"affected","version":"1.22.0"},{"status":"affected","version":"1.22.1"},{"status":"affected","version":"1.22.2"},{"status":"affected","version":"1.22.3"},{"status":"affected","version":"1.22.4"},{"status":"affected","version":"1.24.0"},{"status":"affected","version":"1.24.1"},{"status":"affected","version":"1.24.2"},{"status":"affected","version":"1.24.3"},{"status":"affected","version":"1.24.4"},{"status":"affected","version":"1.26.0"},{"status":"affected","version":"1.24.5"},{"status":"affected","version":"1.26.1"},{"status":"affected","version":"1.27.0"},{"status":"affected","version":"1.15.0"},{"status":"affected","version":"1.17.0"},{"status":"affected","version":"1.17.1"},{"status":"affected","version":"1.17.2"},{"status":"affected","version":"1.19.0"},{"status":"affected","version":"1.20.1"},{"status":"affected","version":"1.20.2"},{"status":"affected","version":"1.20.3"},{"status":"affected","version":"1.20.4"},{"status":"affected","version":"1.20.5"},{"status":"affected","version":"1.20.6"},{"status":"affected","version":"1.23.0"},{"status":"affected","version":"1.23.1"},{"status":"affected","version":"1.20.7"},{"status":"affected","version":"1.20.8"},{"status":"affected","version":"1.25.0"},{"status":"affected","version":"1.25.1"},{"status":"affected","version":"1.25.2"},{"status":"affected","version":"1.27.1"},{"status":"affected","version":"1.27.2"},{"status":"affected","version":"7.3.13"},{"status":"affected","version":"7.3.15"},{"status":"affected","version":"7.4.1"},{"status":"affected","version":"7.4.1.20425"},{"status":"affected","version":"7.4.1.20439"},{"status":"affected","version":"7.4.3"},{"status":"affected","version":"7.4.3.20679"},{"status":"affected","version":"7.4.5"},{"status":"affected","version":"7.5.1.20813"},{"status":"affected","version":"7.5.1.20833"},{"status":"affected","version":"7.5.3"},{"status":"affected","version":"7.5.5"},{"status":"affected","version":"8.0.1.21160"},{"status":"affected","version":"8.0.1.21164"},{"status":"affected","version":"7.5.7"},{"status":"affected","version":"7.5.9"},{"status":"affected","version":"7.5.11"},{"status":"affected","version":"8.1.7.21585"},{"status":"affected","version":"7.5.13.21586"},{"status":"affected","version":"7.5.13.21598"},{"status":"affected","version":"8.2.1.21612"},{"status":"affected","version":"8.2.1.21650"},{"status":"affected","version":"7.5.15.21611"},{"status":"affected","version":"7.5.17.21680"},{"status":"affected","version":"8.2.3.30119"},{"status":"affected","version":"8.2.4.30130"},{"status":"affected","version":"8.4.0"},{"status":"affected","version":"7.5.19"},{"status":"affected","version":"8.4.1.30298"},{"status":"affected","version":"8.4.2.30317"},{"status":"affected","version":"8.4.1.30307"},{"status":"affected","version":"7.5.20"},{"status":"affected","version":"8.4.3"},{"status":"affected","version":"8.4.4.30419"},{"status":"affected","version":"8.4.4.30467"},{"status":"affected","version":"7.5.21.21732"},{"status":"affected","version":"8.4.5.30483"}]}],"descriptions":[{"lang":"en","value":"A vulnerability in the DMG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device.\r\n\r\nThis vulnerability is due to improper boundary checks for content in DMG files during scanning, which may result in an integer overflow on 32-bit platforms only. An attacker could exploit this vulnerability by submitting a crafted file that contains DMG content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software."}],"exploits":[{"lang":"en","value":"The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"cvssV3_1"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","description":"Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","lang":"en","type":"cwe"}]}],"providerMetadata":{"dateUpdated":"2026-07-01T16:28:27.613Z","orgId":"d1c1063e-7a18-46af-9102-31f8928bc633","shortName":"cisco"},"references":[{"name":"cisco-sa-clamav-88cFYyxR","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-88cFYyxR"}],"source":{"advisory":"cisco-sa-clamav-88cFYyxR","defects":["CSCwu22472"],"discovery":"EXTERNAL"},"title":"ClamAV DMG File Processing Denial of Service Vulnerability"}},"cveMetadata":{"assignerOrgId":"d1c1063e-7a18-46af-9102-31f8928bc633","assignerShortName":"cisco","cveId":"CVE-2026-20244","datePublished":"2026-07-01T16:28:27.613Z","dateReserved":"2025-10-08T11:59:15.400Z","dateUpdated":"2026-07-01T17:25:08.394Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-01 17:16:30","lastModifiedDate":"2026-07-01 18:16:32","problem_types":["CWE-120","CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-01T17:17:32.499689Z","id":"CVE-2026-20244","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"20244","Ordinal":"1","Title":"ClamAV DMG File Processing Denial of Service Vulnerability","CVE":"CVE-2026-20244","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"20244","Ordinal":"1","NoteData":"A vulnerability in the DMG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device.\r\n\r\nThis vulnerability is due to improper boundary checks for content in DMG files during scanning, which may result in an integer overflow on 32-bit platforms only. An attacker could exploit this vulnerability by submitting a crafted file that contains DMG content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.","Type":"Description","Title":"ClamAV DMG File Processing Denial of Service Vulnerability"}]}}}