{"api_version":"1","generated_at":"2026-08-11T11:30:49+00:00","cve":"CVE-2026-18772","urls":{"html":"https://cve.report/CVE-2026-18772","api":"https://cve.report/api/cve/CVE-2026-18772.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-18772","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-18772"},"summary":{"title":"CVE-2026-18772","description":"Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion.","state":"PUBLISHED","assigner":"samsung.tv_appliance","published_at":"2026-08-04 10:19:32","updated_at":"2026-08-11 05:17:13"},"problem_types":["CWE-1325","CWE-1325 CWE-1325 Improperly controlled sequential memory allocation"],"metrics":[{"version":"3.1","source":"PSIRT@samsung.com","type":"Secondary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/Samsung/rlottie/pull/596","name":"https://github.com/Samsung/rlottie/pull/596","refsource":"PSIRT@samsung.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-18772","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18772","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Samsung Open Source","product":"rlottie","version":"unaffected f487eff2f8086b84ae1c7faa0418abec909e874b","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"18772","cve":"CVE-2026-18772","epss":"0.001320000","percentile":"0.031460000","score_date":"2026-08-07","updated_at":"2026-08-08 00:15:00"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-18772","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-04T13:16:08.111242Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-08-04T13:16:37.958Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"rlottie","vendor":"Samsung Open Source","versions":[{"status":"unaffected","version":"f487eff2f8086b84ae1c7faa0418abec909e874b"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion."}],"value":"Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion."}],"impacts":[{"capecId":"CAPEC-197","descriptions":[{"lang":"en","value":"CAPEC-197 Exponential Data Expansion"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1325","description":"CWE-1325 Improperly controlled sequential memory allocation","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-11T05:00:35.631Z","orgId":"ca193ba2-0cff-4e34-b04e-1ea07103c6fe","shortName":"samsung.tv_appliance"},"references":[{"url":"https://github.com/Samsung/rlottie/pull/596"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}}},"cveMetadata":{"assignerOrgId":"ca193ba2-0cff-4e34-b04e-1ea07103c6fe","assignerShortName":"samsung.tv_appliance","cveId":"CVE-2026-18772","datePublished":"2026-08-04T08:22:48.165Z","dateReserved":"2026-08-04T07:17:39.264Z","dateUpdated":"2026-08-11T05:00:35.631Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-04 10:19:32","lastModifiedDate":"2026-08-11 05:17:13","problem_types":["CWE-1325","CWE-1325 CWE-1325 Improperly controlled sequential memory allocation"],"metrics":{"cvssMetricV31":[{"source":"PSIRT@samsung.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-04T13:16:08.111242Z","id":"CVE-2026-18772","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"18772","Ordinal":"1","Title":"CVE-2026-18772","CVE":"CVE-2026-18772","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"18772","Ordinal":"1","NoteData":"Improperly controlled sequential memory allocation vulnerability in Samsung Open Source rlottie allows Exponential Data Expansion.","Type":"Description","Title":"CVE-2026-18772"}]}}}