{"id":"CVE-2017-7800","details":"A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird \u003c 52.3, Firefox ESR \u003c 52.3, and Firefox \u003c 55.","modified":"2026-03-15T22:17:59.801062Z","published":"2018-06-11T21:29:09.780Z","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-3968"},{"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/100196"},{"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.debian.org/security/2017/dsa-3928"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-19/"},{"type":"FIX","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1374047"}],"affected":[{"database_specific":{"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"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7800.json"}}],"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:H/A:H"}]}