{"schema_version":"1.7.5","id":"CVE-2021-23968","published":"2021-02-26T02:15:12.820Z","modified":"2026-04-16T04:38:21.970810842Z","related":["SUSE-SU-2021:0659-1","SUSE-SU-2021:0661-1","SUSE-SU-2021:0667-1","SUSE-SU-2021:0676-1","SUSE-SU-2021:14657-1","openSUSE-SU-2021:0373-1","openSUSE-SU-2021:0387-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"details":"If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.","affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23968.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"86.0"}]},{"events":[{"introduced":"0"},{"fixed":"78.8"}]},{"events":[{"introduced":"0"},{"fixed":"78.8"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]}]}}],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202104-09"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202104-10"},{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4866"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-07/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-08/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-09/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1687342"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"}]}