Vulnerability Description
Mozilla developers and community members reported memory safety bugs present in Firefox 75. 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 < 76.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 76.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1339601%2C1611938%2C1620488%2C16Broken LinkIssue Tracking
- https://security.gentoo.org/glsa/202005-04Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-16/Vendor Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1339601%2C1611938%2C1620488%2C16Broken LinkIssue Tracking
- https://security.gentoo.org/glsa/202005-04Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-16/Vendor Advisory
FAQ
What is CVE-2020-12396?
CVE-2020-12396 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Mozilla developers and community members reported memory safety bugs present in Firefox 75. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these...
How severe is CVE-2020-12396?
CVE-2020-12396 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-12396?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.