VDB
CVE-2020-6826
CVE-2020-6826
PUBLISHED
CVSS 9.800000190734863 CRITICAL
Mozilla developers Tyson Smith, Bob Clary, and Alexandru Michis reported memory safety bugs present in Firefox 74. 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 < 75.
EPSS 1.24% · 67.3th percentile
Risk Scores
CVSS 3.1
9.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
1.24%
67.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mozjs68 | 0, 68.5.0-1~fakesync, 68.5.0-2~fakesync |
| Ubuntu:18.04:LTS | mozjs52 | 52.8.1-0ubuntu0.18.04.1, 52.3.1-0ubuntu3, 0 |
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1ubuntu3, 52.9.1-1build1, 0 |
| Ubuntu:16.04:LTS | firefox | 55.0.2+build1-0ubuntu0.16.04.1, 50.1.0+build2-0ubuntu0.16.04.1, 51.0.1+build2-0ubuntu0.16.04.1 |
| Ubuntu:20.04:LTS | firefox | 70.0+build2-0ubuntu1, *, 0 |
| Ubuntu:18.04:LTS | mozjs38 | 0, 38.8.0~repack1-0ubuntu4, 38.8.0~repack1-0ubuntu1 |
| Ubuntu:18.04:LTS | firefox | 67.0+build2-0ubuntu0.18.04.1, 67.0.1+build1-0ubuntu0.18.04.1, 67.0.2+build2-0ubuntu0.18.04.1 |
Timeline
- Apr 7, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Sep 7, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-6826 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-12/#CVE-2020-6826 third-party-advisory
- https://ubuntu.com/security/notices/USN-4323-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-6826 third-party-advisory