VDB
CVE-2021-23965
CVE-2021-23965
PUBLISHED
CVSS 8.800000190734863 HIGH
Mozilla developers reported memory safety bugs present in Firefox 84. 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 < 85.
EPSS 0.97% · 60.3th percentile
Risk Scores
CVSS 3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.97%
60.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1ubuntu3, 0, 52.9.1-1build1 |
| Ubuntu:20.04:LTS | firefox | *, *, 69.0.3+build1-0ubuntu1 |
| Ubuntu:18.04:LTS | mozjs38 | *, 38.8.0~repack1-0ubuntu4, 38.8.0~repack1-0ubuntu3 |
| Ubuntu:18.04:LTS | firefox | 77.0.1+build1-0ubuntu0.18.04.1, 78.0.1+build1-0ubuntu0.18.04.1, 78.0.2+build2-0ubuntu0.18.04.1 |
| Ubuntu:22.04:LTS | mozjs78 | 78.15.0-4ubuntu1, 78.15.0-2, 78.13.0-1 |
| Ubuntu:18.04:LTS | mozjs52 | 52.3.1-0ubuntu3, 0, 52.9.1-0ubuntu0.18.04.1 |
| Ubuntu:16.04:LTS | firefox | 84.0+build3-0ubuntu0.16.04.1, 0, 41.0.2+build2-0ubuntu1 |
| Ubuntu:20.04:LTS | mozjs68 | 68.6.0-1ubuntu1, 68.6.0-1, 68.5.0-2~fakesync |
Timeline
- Jan 26, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 3, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Nov 11, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-23965 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/#CVE-2021-23965 third-party-advisory
- https://ubuntu.com/security/notices/USN-4717-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-23965 third-party-advisory