VDB
CVE-2020-12426
CVE-2020-12426
PUBLISHED
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.
EPSS 0.82% · 74.8th percentile
Risk Scores
EPSS Score
0.82%
74.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | firefox | 66.0.3+build1-0ubuntu0.16.04.1, 66.0.4+build3-0ubuntu0.16.04.1, 66.0.5+build1-0ubuntu0.16.04.1 |
| Ubuntu:20.04:LTS | firefox | 75.0+build3-0ubuntu1, *, * |
| Ubuntu:20.04:LTS | mozjs52 | 0, 52.9.1-1ubuntu3, 52.9.1-1build1 |
| Ubuntu:20.04:LTS | mozjs68 | 68.5.0-2~fakesync, 68.5.0-1~fakesync, 0 |
| Ubuntu:18.04:LTS | thunderbird | 1:60.2.1+build1-0ubuntu0.18.04.2, 1:60.4.0+build2-0ubuntu0.18.04.1, 1:60.5.1+build2-0ubuntu0.18.04.1 |
| Ubuntu:18.04:LTS | firefox | *, 67.0.1+build1-0ubuntu0.18.04.1, 67.0.3+build1-0ubuntu0.18.04.1 |
| Ubuntu:20.04:LTS | thunderbird | *, *, 1:68.7.0+build1-0ubuntu2 |
| Ubuntu:18.04:LTS | mozjs52 | 52.3.1-0ubuntu3, 52.9.1-0ubuntu0.18.04.1, 0 |
| Ubuntu:18.04:LTS | mozjs38 | 38.8.0~repack1-0ubuntu3, *, 38.8.0~repack1-0ubuntu4 |
Exploit Intelligence
Timeline
- Jun 30, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-12426 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-24/#CVE-2020-12426 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-29/#CVE-2020-12426 third-party-advisory
- https://ubuntu.com/security/notices/USN-4408-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-12426 third-party-advisory