CVE-2021-23973
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.
| Software | From | Fixed in |
|---|---|---|
| mozilla / firefox | - | 86.0 |
| mozilla / firefox_esr | - | 78.8 |
| mozilla / thunderbird | - | 78.8 |
| debian / debian_linux | 9.0 | 9.0.x |
| debian / debian_linux | 10.0 | 10.0.x |
- 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/
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