{"api_version":"1","generated_at":"2026-07-23T14:04:14+00:00","cve":"CVE-2026-6424","urls":{"html":"https://cve.report/CVE-2026-6424","api":"https://cve.report/api/cve/CVE-2026-6424.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-6424","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-6424"},"summary":{"title":"Use-after-free vulnerability in ESET security products for Linux","description":"Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system","state":"PUBLISHED","assigner":"ESET","published_at":"2026-07-16 09:16:19","updated_at":"2026-07-16 13:49:40"},"problem_types":["CWE-416","CWE-416 CWE-416 Use after free"],"metrics":[{"version":"4.0","source":"security@eset.com","type":"Secondary","score":"6.7","severity":"MEDIUM","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"CVSS","score":"6.7","severity":"MEDIUM","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","data":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.7,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"}}],"references":[{"url":"https://support.eset.com/en/ca8972-eset-customer-advisory-use-after-free-vulnerability-in-eset-security-products-for-linux-fixed","name":"https://support.eset.com/en/ca8972-eset-customer-advisory-use-after-free-vulnerability-in-eset-security-products-for-linux-fixed","refsource":"security@eset.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6424","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6424","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Endpoint Antivirus for Linux","version":"affected 13.1 13.1.3.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Endpoint Antivirus for Linux","version":"affected 13.0 13.0.3.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Endpoint Antivirus for Linux","version":"affected 12.2 12.2.8.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Endpoint Antivirus for Linux","version":"affected 12.1 12.1.1.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Endpoint Antivirus for Linux","version":"affected 12.0 12.0.13.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Endpoint Antivirus for Linux","version":"unaffected 13.2.3.0","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Server Security for Linux","version":"affected 13.1 13.1.116.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Server Security for Linux","version":"affected 13.0 13.0.34.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Server Security for Linux","version":"affected 12.2 12.2.72.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Server Security for Linux","version":"affected 12.1 12.1.406.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Server Security for Linux","version":"affected 12.0 12.0.287.0 custom","platforms":["Linux"]},{"source":"CNA","vendor":"ESET, spol. s.r.o.","product":"ESET Server Security for Linux","version":"unaffected 13.2.53.0","platforms":["Linux"]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"6424","cve":"CVE-2026-6424","epss":"0.001120000","percentile":"0.016000000","score_date":"2026-07-20","updated_at":"2026-07-21 00:13:15"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-6424","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-07-16T12:17:24.495540Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-07-16T12:17:48.734Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["Linux"],"product":"ESET Endpoint Antivirus for Linux","vendor":"ESET, spol. s.r.o.","versions":[{"changes":[{"at":"13.1.5.0","status":"unaffected"}],"lessThanOrEqual":"13.1.3.0","status":"affected","version":"13.1","versionType":"custom"},{"changes":[{"at":"13.0.5.0","status":"unaffected"}],"lessThanOrEqual":"13.0.3.0","status":"affected","version":"13.0","versionType":"custom"},{"changes":[{"at":"12.2.9.0","status":"unaffected"}],"lessThanOrEqual":"12.2.8.0","status":"affected","version":"12.2","versionType":"custom"},{"changes":[{"at":"12.1.2.0","status":"unaffected"}],"lessThanOrEqual":"12.1.1.0","status":"affected","version":"12.1","versionType":"custom"},{"changes":[{"at":"12.0.14.0","status":"unaffected"}],"lessThanOrEqual":"12.0.13.0","status":"affected","version":"12.0","versionType":"custom"},{"status":"unaffected","version":"13.2.3.0"}]},{"defaultStatus":"unaffected","platforms":["Linux"],"product":"ESET Server Security for Linux","vendor":"ESET, spol. s.r.o.","versions":[{"changes":[{"at":"13.1.118.0","status":"unaffected"}],"lessThanOrEqual":"13.1.116.0","status":"affected","version":"13.1","versionType":"custom"},{"changes":[{"at":"13.0.36.0","status":"unaffected"}],"lessThanOrEqual":"13.0.34.0","status":"affected","version":"13.0","versionType":"custom"},{"changes":[{"at":"12.2.73.0","status":"unaffected"}],"lessThanOrEqual":"12.2.72.0","status":"affected","version":"12.2","versionType":"custom"},{"changes":[{"at":"12.1.407.0","status":"unaffected"}],"lessThanOrEqual":"12.1.406.0","status":"affected","version":"12.1","versionType":"custom"},{"changes":[{"at":"12.0.292.0","status":"unaffected"}],"lessThanOrEqual":"12.0.287.0","status":"affected","version":"12.0","versionType":"custom"},{"status":"unaffected","version":"13.2.53.0"}]}],"datePublic":"2026-07-16T08:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system"}],"value":"Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system"}],"impacts":[{"capecId":"CAPEC-129","descriptions":[{"lang":"en","value":"CAPEC-129 Pointer Manipulation"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":6.7,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","description":"CWE-416 Use after free","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-07-16T08:28:43.649Z","orgId":"4a9b9929-2450-4021-b7b9-469a0255b215","shortName":"ESET"},"references":[{"url":"https://support.eset.com/en/ca8972-eset-customer-advisory-use-after-free-vulnerability-in-eset-security-products-for-linux-fixed"}],"source":{"advisory":"CA8972","discovery":"UNKNOWN"},"title":"Use-after-free vulnerability in ESET security products for Linux","x_generator":{"engine":"Vulnogram 1.0.2"}}},"cveMetadata":{"assignerOrgId":"4a9b9929-2450-4021-b7b9-469a0255b215","assignerShortName":"ESET","cveId":"CVE-2026-6424","datePublished":"2026-07-16T08:28:43.649Z","dateReserved":"2026-04-16T08:13:25.859Z","dateUpdated":"2026-07-16T12:17:48.734Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-16 09:16:19","lastModifiedDate":"2026-07-16 13:49:40","problem_types":["CWE-416","CWE-416 CWE-416 Use after free"],"metrics":{"cvssMetricV40":[{"source":"security@eset.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":6.7,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-16T12:17:24.495540Z","id":"CVE-2026-6424","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"6424","Ordinal":"1","Title":"Use-after-free vulnerability in ESET security products for Linux","CVE":"CVE-2026-6424","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"6424","Ordinal":"1","NoteData":"Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system","Type":"Description","Title":"Use-after-free vulnerability in ESET security products for Linux"}]}}}