CVEvulnerability
CVE-2020-12426
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-07-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-787
Description
Mozilla developers and community members reported memory safety bugs present in Firefox 77. 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 < 78.
Affected configurations
• mozilla firefox (< 78.0)
• opensuse leap 15.1
• opensuse leap 15.2
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html Mailing List, Third Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1608068%2C1609951%2C1631187%2C1637682 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202007-10 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-24/ Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html Mailing List, Third Party Advisory
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1608068%2C1609951%2C1631187%2C1637682 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://security.gentoo.org/glsa/202007-10 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-24/ Vendor Advisory