{"id":"CVE-2025-1009","details":"An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability affects Firefox \u003c 135, Firefox ESR \u003c 115.20, Firefox ESR \u003c 128.7, Thunderbird \u003c 128.7, and Thunderbird \u003c 135.","modified":"2026-03-15T22:50:02.474195Z","published":"2025-02-04T14:15:31.653Z","related":["ALSA-2025:1066","ALSA-2025:1184","ALSA-2025:1283","ALSA-2025:1292","CGA-pfjx-qmmx-fwx4","MGASA-2025-0045","MGASA-2025-0048","SUSE-SU-2025:0374-1","SUSE-SU-2025:0391-1","SUSE-SU-2025:0405-1","openSUSE-SU-2025:14727-1","openSUSE-SU-2025:14730-1","openSUSE-SU-2025:14731-1","openSUSE-SU-2025:14764-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/02/msg00005.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-10/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-11/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-07/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-08/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-09/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1936613"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"115.20.0"}]},{"events":[{"introduced":"0"},{"fixed":"135.0"}]},{"events":[{"introduced":"128.1.0"},{"fixed":"128.7.0"}]},{"events":[{"introduced":"128.0.1"},{"fixed":"128.7.0"}]},{"events":[{"introduced":"131.0"},{"fixed":"135.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-1009.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}