Vulnerability Description
When drawing text onto a canvas with WebRender disabled, an out of bounds read could occur. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.0.1.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 89.0.1 |
| Microsoft | Windows | - |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1712047Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-27/Release NotesVendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1712047Issue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-27/Release NotesVendor Advisory
FAQ
What is CVE-2021-29968?
CVE-2021-29968 is a vulnerability with a CVSS score of 8.1 (HIGH). When drawing text onto a canvas with WebRender disabled, an out of bounds read could occur. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affe...
How severe is CVE-2021-29968?
CVE-2021-29968 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-29968?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Microsoft Windows.