{"id":"CVE-2025-8027","details":"On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability affects Firefox \u003c 141, Firefox ESR \u003c 115.26, Firefox ESR \u003c 128.13, Firefox ESR \u003c 140.1, Thunderbird \u003c 141, Thunderbird \u003c 128.13, and Thunderbird \u003c 140.1.","modified":"2026-03-23T04:59:15.304721Z","published":"2025-07-22T21:15:49.830Z","related":["ALSA-2025:11747","ALSA-2025:11748","ALSA-2025:11797","ALSA-2025:12187","ALSA-2025:12188","ALSA-2025:13676","MGASA-2025-0227","MGASA-2025-0228","SUSE-SU-2025:02529-1","SUSE-SU-2025:02531-1","SUSE-SU-2025:02546-1","SUSE-SU-2025:21170-1","openSUSE-SU-2025:15371-1","openSUSE-SU-2025:15383-1","openSUSE-SU-2025:15386-1","openSUSE-SU-2025:15387-1","openSUSE-SU-2025:20135-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-58/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-59/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-62/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-63/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-56/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-57/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-61/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1968423"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"115.26.0"}]},{"events":[{"introduced":"0"},{"fixed":"141.0"}]},{"events":[{"introduced":"128.0"},{"fixed":"128.13.0"}]},{"events":[{"introduced":"140.0"},{"fixed":"140.1.0"}]},{"events":[{"introduced":"0"},{"fixed":"128.13.0"}]},{"events":[{"introduced":"0"},{"fixed":"141.0"}]},{"events":[{"introduced":"140.0"},{"fixed":"140.1.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8027.json"}}],"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:N/A:N"}]}