{"id":"CVE-2024-7527","details":"Unexpected marking work at the start of sweeping could have led to a use-after-free. This vulnerability affects Firefox \u003c 129, Firefox ESR \u003c 115.14, Firefox ESR \u003c 128.1, Thunderbird \u003c 128.1, and Thunderbird \u003c 115.14.","modified":"2026-03-11T13:48:54.595856Z","published":"2024-08-06T13:15:57.543Z","related":["ALSA-2024:5322","ALSA-2024:5391","ALSA-2024:5392","ALSA-2024:5402","CGA-gm7q-ph5v-7wx9","MGASA-2024-0325","MGASA-2024-0332","MGASA-2024-0334","SUSE-SU-2024:2876-1","SUSE-SU-2024:3003-1","SUSE-SU-2024:3112-1","SUSE-SU-2024:3507-1","openSUSE-SU-2024:14250-1","openSUSE-SU-2024:14260-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2024-35/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2024-37/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2024-38/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2024-33/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2024-34/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1871303"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-7527.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"129.0"}]},{"events":[{"introduced":"0"},{"fixed":"115.14.0"}]},{"events":[{"introduced":"0"},{"last_affected":"128.0"}]},{"events":[{"introduced":"0"},{"fixed":"115.14.0"}]},{"events":[{"introduced":"0"},{"last_affected":"128.0.1"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}