{"id":"CVE-2025-1011","state":"PUBLISHED","title":"A bug in WebAssembly code generation could result in a crash","description":"A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.","publishedAt":"2025-02-04T13:58:53.239Z","updatedAt":"2026-04-13T14:25:12.907Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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":"128.7","status":"unaffected","lessThanOrEqual":"128.*","versionType":"rpm"},{"version":"135","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"128.7","status":"unaffected","lessThanOrEqual":"128.*","versionType":"rpm"},{"version":"135","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1936454","https://www.mozilla.org/security/advisories/mfsa2025-07/","https://www.mozilla.org/security/advisories/mfsa2025-09/","https://www.mozilla.org/security/advisories/mfsa2025-10/","https://www.mozilla.org/security/advisories/mfsa2025-11/","https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html","https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html"],"weaknesses":["CWE-94"],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/1xxx/CVE-2025-1011.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-1011","state":"PUBLISHED","datePublished":"2025-02-04T13:58:53.239Z","dateUpdated":"2026-04-13T14:25:12.907Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2025-02-04T07:26:29.564Z"},"containers":{"cna":{"title":"A bug in WebAssembly code generation could result in a crash","descriptions":[{"lang":"en","value":"A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"128.7","status":"unaffected","lessThanOrEqual":"128.*","versionType":"rpm"},{"version":"135","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"128.7","status":"unaffected","lessThanOrEqual":"128.*","versionType":"rpm"},{"version":"135","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1936454"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-07/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-09/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-10/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-11/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-04-13T14:25:12.907Z"},"credits":[{"lang":"en","value":"Nan Wang"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-02-05T19:01:33.799911Z","id":"CVE-2025-1011","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-94","type":"CWE","lang":"en","description":"CWE-94 Improper Control of Generation of Code ('Code Injection')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-05T19:02:26.455Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T20:56:51.660Z"}}]}}}