{"id":"CVE-2026-92026","state":"PUBLISHED","title":"Use-after-free in the Networking component","description":"Use-after-free in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.","publishedAt":"2026-09-15T12:33:46.700Z","updatedAt":"2026-09-18T13:46:10.908Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.16","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"153.3","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"156","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.16","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"153.3","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"156","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2068378","https://www.mozilla.org/security/advisories/mfsa2026-90/","https://www.mozilla.org/security/advisories/mfsa2026-92/","https://www.mozilla.org/security/advisories/mfsa2026-93/","https://www.mozilla.org/security/advisories/mfsa2026-94/","https://www.mozilla.org/security/advisories/mfsa2026-95/","https://www.mozilla.org/security/advisories/mfsa2026-96/"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92026.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92026","state":"PUBLISHED","datePublished":"2026-09-15T12:33:46.700Z","dateUpdated":"2026-09-18T13:46:10.908Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2026-09-15T12:33:46.212Z"},"containers":{"cna":{"title":"Use-after-free in the Networking component","descriptions":[{"lang":"en","value":"Use-after-free in the Networking component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"140.16","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"153.3","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"156","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.16","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"153.3","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"156","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2068378"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-92/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-93/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-94/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-95/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-96/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-09-16T14:24:35.202Z"},"credits":[{"lang":"en","value":"Mozilla"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T13:45:29.991640Z","id":"CVE-2026-92026","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"CWE-416 Use After Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T13:46:10.908Z"}}]}}}