CVE-2021-23973

Published: 26 February 2021

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.

Priority

Low

CVSS 3 base score: 6.5

Status

Notes

mozjs contains a copy of the SpiderMonkey JavaScript engine

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23973
• https://www.mozilla.org/en-US/security/advisories/mfsa2021-07/#CVE-2021-23973
• https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23973
• https://www.mozilla.org/en-US/security/advisories/mfsa2021-09/#CVE-2021-23973
• https://bugzilla.mozilla.org/show_bug.cgi?id=1690976
• https://www.mozilla.org/security/advisories/mfsa2021-07/
• https://www.mozilla.org/security/advisories/mfsa2021-08/
• https://www.mozilla.org/security/advisories/mfsa2021-09/
• https://ubuntu.com/security/notices/USN-4756-1
• https://ubuntu.com/security/notices/USN-4936-1
• NVD
• Launchpad
• Debian

Bugs