CVE-2022-29916

Description

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Affected Platforms

Weakness Type

NVD-CWE-noinfo, CWE-200

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1760674
• https://www.mozilla.org/security/advisories/mfsa2022-16/
• https://www.mozilla.org/security/advisories/mfsa2022-17/
• https://www.mozilla.org/security/advisories/mfsa2022-18/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1760674
• https://www.mozilla.org/security/advisories/mfsa2022-16/