CVE-2021-23973
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-23973
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-23973.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-23973
- Downstream
- Related
- Published
- 2021-02-26T02:15:13Z
- Modified
- 2025-08-09T20:01:26Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
- References
-
- https://bugzilla.mozilla.org/show_bug.cgi?id=1690976
- https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html
- https://security.gentoo.org/glsa/202104-09
- https://security.gentoo.org/glsa/202104-10
- https://www.debian.org/security/2021/dsa-4866
- https://www.mozilla.org/security/advisories/mfsa2021-07/
- https://www.mozilla.org/security/advisories/mfsa2021-08/
- https://www.mozilla.org/security/advisories/mfsa2021-09/