{"id":"CVE-2017-7753","details":"An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird \u003c 52.3, Firefox ESR \u003c 52.3, and Firefox \u003c 55.","modified":"2026-03-15T22:17:56.753828Z","published":"2018-06-11T21:29:07.873Z","related":["MGASA-2017-0268","MGASA-2017-0303","MGASA-2018-0018","SUSE-SU-2017:2302-1","SUSE-SU-2017:2589-1","openSUSE-SU-2017:2209-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2456"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-3928"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-3968"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-19/"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1039124"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2534"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201803-14"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-18/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-20/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/100315"},{"type":"FIX","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1353312"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7753.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.3"}]},{"events":[{"introduced":"0"},{"last_affected":"7.4"}]},{"events":[{"introduced":"0"},{"last_affected":"7.5"}]},{"events":[{"introduced":"0"},{"last_affected":"6.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"fixed":"55.0"}]},{"events":[{"introduced":"0"},{"fixed":"52.3.0"}]},{"events":[{"introduced":"0"},{"fixed":"52.3.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}