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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2994-1 firefox-esr security update
Debian DLA Debian DLA DLA-3020-1 thunderbird security update
Debian DSA Debian DSA DSA-5129-1 firefox-esr security update
Debian DSA Debian DSA DSA-5141-1 thunderbird security update
EUVD EUVD EUVD-2022-34226 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.
Ubuntu USN Ubuntu USN USN-5411-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-5435-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 15 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-04-15T15:08:08.311Z

Reserved: 2022-04-29T00:00:00.000Z

Link: CVE-2022-29916

cve-icon Vulnrichment

Updated: 2024-08-03T06:33:43.182Z

cve-icon NVD

Status : Modified

Published: 2022-12-22T20:15:26.797

Modified: 2025-04-15T15:15:56.510

Link: CVE-2022-29916

cve-icon Redhat

Severity : Important

Publid Date: 2022-05-03T00:00:00Z

Links: CVE-2022-29916 - Bugzilla

cve-icon OpenCVE Enrichment

No data.