{"id":"CVE-2024-7527","state":"PUBLISHED","title":"Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbir","description":"Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.","publishedAt":"2024-08-06T12:38:14.698Z","updatedAt":"2025-03-18T19:05:01.797Z","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 Firefox ESR","Mozilla Thunderbird"],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"unspecified","status":"affected","lessThan":"129","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","status":"affected","lessThan":"115.14","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","status":"affected","lessThan":"128.1","versionType":"custom"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"unspecified","status":"affected","lessThan":"128.1","versionType":"custom"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"unspecified","status":"affected","lessThan":"115.14","versionType":"custom"}]}],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1871303","https://www.mozilla.org/security/advisories/mfsa2024-33/","https://www.mozilla.org/security/advisories/mfsa2024-34/","https://www.mozilla.org/security/advisories/mfsa2024-35/","https://www.mozilla.org/security/advisories/mfsa2024-37/","https://www.mozilla.org/security/advisories/mfsa2024-38/"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:08:20.985Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/7xxx/CVE-2024-7527.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-7527","state":"PUBLISHED","datePublished":"2024-08-06T12:38:14.698Z","dateUpdated":"2025-03-18T19:05:01.797Z","assignerShortName":"mozilla","assignerOrgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateReserved":"2024-08-05T23:30:16.029Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14."}],"affected":[{"vendor":"Mozilla","product":"Firefox","versions":[{"version":"unspecified","status":"affected","lessThan":"129","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","status":"affected","lessThan":"115.14","versionType":"custom"}]},{"vendor":"Mozilla","product":"Firefox ESR","versions":[{"version":"unspecified","status":"affected","lessThan":"128.1","versionType":"custom"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"unspecified","status":"affected","lessThan":"128.1","versionType":"custom"}]},{"vendor":"Mozilla","product":"Thunderbird","versions":[{"version":"unspecified","status":"affected","lessThan":"115.14","versionType":"custom"}]}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1871303"},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-33/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-34/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-35/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-37/"},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-38/"}],"problemTypes":[{"descriptions":[{"description":"Use-after-free in JavaScript garbage collection","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mozilla","orgId":"f16b083a-5664-49f3-a51e-8d479e5ed7fe","dateUpdated":"2024-08-06T22:21:45.319Z"},"credits":[{"lang":"en","value":"Norisz Fay"}]},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"mozilla","product":"firefox","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"129","versionType":"custom"}],"cpes":["cpe:2.3:a:mozilla:firefox:-:*:*:*:*:*:*:*"]},{"vendor":"mozilla","product":"firefox_esr","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"115.14","versionType":"custom"},{"version":"0","status":"affected","lessThan":"128.1","versionType":"custom"}],"cpes":["cpe:2.3:a:mozilla:firefox_esr:-:*:*:*:*:*:*:*"]},{"vendor":"mozilla","product":"thunderbird","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"128.1","versionType":"custom"},{"version":"0","status":"affected","lessThan":"115.14","versionType":"custom"}],"cpes":["cpe:2.3:a:mozilla:thunderbird:-:*:*:*:*:*:*:*"]}],"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":"2024-08-06T15:19:12.802827Z","id":"CVE-2024-7527","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":"2025-03-18T19:05:01.797Z"}}]}}}