Vulnerability Monitor

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CVE-2022-29916

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.

Published

2022-12-22T20:15:26.797

Last Modified

2025-04-15T15:15:56.510

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses

Type: Primary
NVD-CWE-noinfo
Type: Secondary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 100.0	Yes
Application	mozilla	firefox_esr	< 91.9	Yes
Application	mozilla	thunderbird	< 91.9	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1760674 Exploit, Issue Tracking, Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2022-16/ Exploit, Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2022-17/ Exploit, Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2022-18/ Exploit, Vendor Advisory ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1760674 Exploit, Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2022-16/ Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2022-17/ Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2022-18/ Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)