{"id":"CVE-2025-8037","details":"Setting a nameless cookie with an equals sign in the value shadowed other cookies. Even if the nameless cookie was set over HTTP and the shadowed cookie included the `Secure` attribute. This vulnerability affects Firefox \u003c 141, Firefox ESR \u003c 140.1, Thunderbird \u003c 141, and Thunderbird \u003c 140.1.","modified":"2026-05-04T08:42:27.072550Z","published":"2025-07-22T21:15:50.860Z","withdrawn":"2026-05-04T08:42:27.072550Z","related":["SUSE-SU-2025:02529-1","SUSE-SU-2025:02531-1","SUSE-SU-2025:02546-1","openSUSE-SU-2025:15371-1","openSUSE-SU-2025:15383-1","openSUSE-SU-2025:15386-1"],"references":[{"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/mfsa2025-59/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2025-61/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1964767"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"140.1"}]},{"events":[{"introduced":"0"},{"fixed":"141.0"}]},{"events":[{"introduced":"0"},{"fixed":"140.1"}]},{"events":[{"introduced":"0"},{"fixed":"141.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-8037.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:N"}]}