{"id":"CVE-2021-23981","details":"A texture upload of a Pixel Buffer Object could have confused the WebGL code to skip binding the buffer used to unpack it, resulting in memory corruption and a potentially exploitable information leak or crash. This vulnerability affects Firefox ESR \u003c 78.9, Firefox \u003c 87, and Thunderbird \u003c 78.9.","modified":"2026-04-16T00:00:29.905916561Z","published":"2021-03-31T14:15:18.907Z","related":["SUSE-SU-2021:0966-1","SUSE-SU-2021:0999-1","SUSE-SU-2021:1007-1","SUSE-SU-2021:1167-1","SUSE-SU-2021:14684-1","openSUSE-SU-2021:0487-1","openSUSE-SU-2021:0580-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:10601-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-10/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-11/"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2021-12/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1692832"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-23981.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"87.0"}]},{"events":[{"introduced":"0"},{"fixed":"78.9"}]},{"events":[{"introduced":"0"},{"fixed":"78.9"}]}]}}],"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:N/A:H"}]}