Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 100.0 |
| Mozilla | Firefox Esr | < 91.9 |
| Mozilla | Thunderbird | < 91.9 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1760674ExploitIssue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-16/ExploitVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-17/ExploitVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-18/ExploitVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1760674ExploitIssue TrackingVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-16/ExploitVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-17/ExploitVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-18/ExploitVendor Advisory
FAQ
What is CVE-2022-29916?
CVE-2022-29916 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...
How severe is CVE-2022-29916?
CVE-2022-29916 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-29916?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.