Vulnerability Description
A use-after-free vulnerability was found via testing, and traced to an out-of-date Cairo library. Updating the library resolved the issue, and may have remediated other, unknown security vulnerabilities as well. This vulnerability affects Firefox < 90.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 90.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1696816ExploitIssue TrackingVendor Advisory
- https://security.gentoo.org/glsa/202202-03Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-28/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1696816ExploitIssue TrackingVendor Advisory
- https://security.gentoo.org/glsa/202202-03Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-28/Vendor Advisory
FAQ
What is CVE-2021-29972?
CVE-2021-29972 is a vulnerability with a CVSS score of 8.8 (HIGH). A use-after-free vulnerability was found via testing, and traced to an out-of-date Cairo library. Updating the library resolved the issue, and may have remediated other, unknown security vulnerabiliti...
How severe is CVE-2021-29972?
CVE-2021-29972 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-29972?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.