{"id":"CVE-2026-74973","state":"PUBLISHED","title":"Race condition, use-after-free in the Graphics component","description":"Race condition, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.","publishedAt":"2026-08-18T12:23:33.845Z","updatedAt":"2026-08-18T18:55:20.315Z","severity":{"score":4.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"115.39","status":"unaffected","lessThanOrEqual":"115.*","versionType":"rpm"},{"version":"140.14","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"153.1","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"154","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.14","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"153.1","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"154","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2060357","https://www.mozilla.org/security/advisories/mfsa2026-74/","https://www.mozilla.org/security/advisories/mfsa2026-75/","https://www.mozilla.org/security/advisories/mfsa2026-76/","https://www.mozilla.org/security/advisories/mfsa2026-77/","https://www.mozilla.org/security/advisories/mfsa2026-78/","https://www.mozilla.org/security/advisories/mfsa2026-79/","https://www.mozilla.org/security/advisories/mfsa2026-80/"],"weaknesses":["CWE-362","CWE-416"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74973.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74973","state":"PUBLISHED","datePublished":"2026-08-18T12:23:33.845Z","dateUpdated":"2026-08-18T18:55:20.315Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2026-08-17T11:58:50.482Z"},"containers":{"cna":{"title":"Race condition, use-after-free in the Graphics component","descriptions":[{"lang":"en","value":"Race condition, use-after-free in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"115.39","status":"unaffected","lessThanOrEqual":"115.*","versionType":"rpm"},{"version":"140.14","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"153.1","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"154","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.14","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"153.1","status":"unaffected","lessThanOrEqual":"153.*","versionType":"rpm"},{"version":"154","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2060357"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-74/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-75/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-76/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-77/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-78/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-79/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-80/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-08-18T18:55:20.315Z"},"credits":[{"lang":"en","value":"r00tdaddy"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.2,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-18T15:37:55.296125Z","id":"CVE-2026-74973","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","type":"CWE","lang":"en","description":"CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"}]},{"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":"2026-08-18T15:37:58.906Z"}}]}}}