{"id":"CVE-2020-15669","details":"When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR \u003c 68.12 and Thunderbird \u003c 68.12.","modified":"2026-03-15T22:34:15.855423Z","published":"2020-10-01T19:15:13.407Z","related":["MGASA-2020-0348","MGASA-2020-0352","SUSE-SU-2020:2552-1","openSUSE-SU-2020:1383-1","openSUSE-SU-2020:1392-1","openSUSE-SU-2024:10601-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-37/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-40/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1656957"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15669.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"68.12"}]},{"events":[{"introduced":"0"},{"fixed":"68.12"}]}]}}],"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"}]}