Vulnerability Description
An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 105.0 |
| Mozilla | Firefox Esr | < 102.3 |
| Mozilla | Thunderbird | < 102.3 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1767360Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-40/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-41/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-42/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1767360Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-40/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-41/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-42/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1767360Issue TrackingPermissions RequiredVendor Advisory
FAQ
What is CVE-2022-3266?
CVE-2022-3266 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An out-of-bounds read can occur when decoding H264 video. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.
How severe is CVE-2022-3266?
CVE-2022-3266 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-3266?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird.