{"id":"CVE-2025-11711","state":"PUBLISHED","title":"Some non-writable Object properties could be modified","description":"There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.","publishedAt":"2025-10-14T12:27:34.470Z","updatedAt":"2026-04-13T14:29:21.552Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","source":"CISA-ADP"},"assigner":"mozilla","products":["Mozilla Firefox","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"115.29","status":"unaffected","lessThanOrEqual":"115.*","versionType":"rpm"},{"version":"140.4","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"144","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.4","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"144","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1989978","https://www.mozilla.org/security/advisories/mfsa2025-81/","https://www.mozilla.org/security/advisories/mfsa2025-82/","https://www.mozilla.org/security/advisories/mfsa2025-83/","https://www.mozilla.org/security/advisories/mfsa2025-84/","https://www.mozilla.org/security/advisories/mfsa2025-85/","https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html"],"weaknesses":["CWE-591"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/11xxx/CVE-2025-11711.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-11711","state":"PUBLISHED","datePublished":"2025-10-14T12:27:34.470Z","dateUpdated":"2026-04-13T14:29:21.552Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2025-10-13T19:50:05.343Z"},"containers":{"cna":{"title":"Some non-writable Object properties could be modified","descriptions":[{"lang":"en","value":"There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"115.29","status":"unaffected","lessThanOrEqual":"115.*","versionType":"rpm"},{"version":"140.4","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"144","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"140.4","status":"unaffected","lessThanOrEqual":"140.*","versionType":"rpm"},{"version":"144","status":"unaffected","lessThanOrEqual":"*","versionType":"rpm"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1989978"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-81/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-82/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-83/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-84/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2025-85/"}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2026-04-13T14:29:21.552Z"},"credits":[{"lang":"en","value":"EntryHi"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-15T13:22:20.331458Z","id":"CVE-2025-11711","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-591","type":"CWE","lang":"en","description":"CWE-591 Sensitive Data Storage in Improperly Locked Memory"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-15T13:29:42.167Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:31:50.030Z"}}]}}}