{"id":"CVE-2020-15678","details":"When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This vulnerability affects Firefox \u003c 81, Thunderbird \u003c 78.3, and Firefox ESR \u003c 78.3.","modified":"2026-03-13T00:31:21.216953Z","published":"2020-10-01T19:15:13.893Z","related":["MGASA-2020-0377","MGASA-2020-0378","SUSE-SU-2020:14502-1","SUSE-SU-2020:2747-1","SUSE-SU-2020:2749-1","SUSE-SU-2020:2759-1","SUSE-SU-2020:3091-1","openSUSE-SU-2020:1555-1","openSUSE-SU-2020:1574-1","openSUSE-SU-2020:1780-1","openSUSE-SU-2020:1785-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4770"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-42/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-44/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202010-02"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-43/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1660211"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"81.0"}]},{"events":[{"introduced":"0"},{"fixed":"78.3"}]},{"events":[{"introduced":"0"},{"fixed":"78.3"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]},{"events":[{"introduced":"0"},{"last_affected":"15.2"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-15678.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:H/A:H"}]}