Vulnerability Description
Mozilla developers reported memory safety bugs present in Firefox 84. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 85.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 85.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1670378%2C1673555%2C1676812%2C16ExploitIssue TrackingPatch
- https://www.mozilla.org/security/advisories/mfsa2021-03/Release NotesVendor Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1670378%2C1673555%2C1676812%2C16ExploitIssue TrackingPatch
- https://www.mozilla.org/security/advisories/mfsa2021-03/Release NotesVendor Advisory
FAQ
What is CVE-2021-23965?
CVE-2021-23965 is a vulnerability with a CVSS score of 8.8 (HIGH). Mozilla developers reported memory safety bugs present in Firefox 84. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been explo...
How severe is CVE-2021-23965?
CVE-2021-23965 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-2021-23965?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.