{"id":"CVE-2026-100763","state":"PUBLISHED","title":"Incorrect boundary conditions in the Graphics: WebGPU component","description":"Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157.","publishedAt":"2026-09-29T12:35:56.992Z","updatedAt":"2026-10-01T14:37:02.997Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Thunderbird","Mozilla Firefox"],"affected":[{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"157","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"157","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=2059929","https://www.mozilla.org/security/advisories/mfsa2026-101/","https://www.mozilla.org/security/advisories/mfsa2026-97/"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/100xxx/CVE-2026-100763.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-100763","state":"PUBLISHED","datePublished":"2026-09-29T12:35:56.992Z","dateUpdated":"2026-10-01T14:37:02.997Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2026-09-26T19:15:20.095Z"},"containers":{"cna":{"title":"Incorrect boundary conditions in the Graphics: WebGPU component","descriptions":[{"lang":"en","value":"Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability was fixed in Thunderbird 157 and Firefox 157."}],"affected":[{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"157","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"157","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2059929"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-101/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-97/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-09-30T17:14:43.875Z"},"credits":[{"lang":"en","value":"Shaheen Fazim"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T14:36:38.799871Z","id":"CVE-2026-100763","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-01T14:37:02.997Z"}}]}}}