{"id":"CVE-2017-7758","details":"An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. This vulnerability affects Firefox \u003c 54, Firefox ESR \u003c 52.2, and Thunderbird \u003c 52.2.","modified":"2026-03-15T22:17:57.277065Z","published":"2018-06-11T21:29:08.140Z","related":["MGASA-2017-0178","MGASA-2017-0180","MGASA-2018-0018","SUSE-SU-2017:1669-1","SUSE-SU-2017:2235-1","openSUSE-SU-2017:1579-1","openSUSE-SU-2024:10601-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-17/"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/99057"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1440"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-15/"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1038689"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1561"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-3881"},{"type":"ADVISORY","url":"https://www.debian.org/security/2017/dsa-3918"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2017-16/"},{"type":"FIX","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1368490"}],"affected":[{"database_specific":{"unresolved_ranges":[{"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":"7.2"}]},{"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":"52.2.0"}]},{"events":[{"introduced":"0"},{"fixed":"54.0"}]},{"events":[{"introduced":"0"},{"fixed":"52.2.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7758.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:N/A:H"}]}