Vulnerability Description
Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. 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 ESR < 78.4, Firefox < 82, and Thunderbird < 78.4.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 82.0 |
| Mozilla | Firefox Esr | < 78.4 |
| Mozilla | Thunderbird | < 78.4 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00057.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00062.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.htmlMailing ListThird Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1576843%2C1656987%2C1660954%2C16Broken LinkIssue TrackingVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00027.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202010-08Third Party Advisory
- https://www.debian.org/security/2020/dsa-4780Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-45/Release NotesVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-46/Release NotesVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-47/Release NotesVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00057.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00062.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2020-15683?
CVE-2020-15683 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough...
How severe is CVE-2020-15683?
CVE-2020-15683 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-2020-15683?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Debian Debian Linux, Opensuse Leap.