VDB
CVE-2021-29952
CVE-2021-29952
PUBLISHED
CVSS 7.5 HIGH
When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.
EPSS 0.73% · 52.1th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.73%
52.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1build1, 0, 52.9.1-1ubuntu3 |
| Ubuntu:18.04:LTS | mozjs52 | 52.9.1-0ubuntu0.18.04.1, 52.8.1-0ubuntu0.18.04.1, 0 |
| Ubuntu:20.04:LTS | firefox | *, 0, 69.0.3+build1-0ubuntu1 |
| Ubuntu:18.04:LTS | mozjs38 | 0, 38.8.0~repack1-0ubuntu4, 38.8.0~repack1-0ubuntu3 |
| Ubuntu:20.04:LTS | mozjs68 | *, 0, 68.5.0-1~fakesync |
| Ubuntu:18.04:LTS | firefox | 72.0.2+build1-0ubuntu0.18.04.1, 73.0.1+build1-0ubuntu0.18.04.1, 74.0+build3-0ubuntu0.18.04.1 |
| Ubuntu:22.04:LTS | mozjs78 | 0, 78.13.0-1, 78.15.0-2 |
Timeline
- May 6, 2021 CVE Published
- Jun 25, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 24, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 22, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 24, 2022 EPSS Score
- Aug 24, 2022 EPSS Score
- Oct 24, 2022 EPSS Score
- Dec 24, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-29952 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-20/#CVE-2021-29952 third-party-advisory
- https://ubuntu.com/security/notices/USN-4942-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-29952 third-party-advisory