VDB
CVE-2021-29947
CVE-2021-29947
PUBLISHED
CVSS 8.800000190734863 HIGH
Mozilla developers and community members reported memory safety bugs present in Firefox 87. 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 < 88.
EPSS 0.87% · 57.2th 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
0.87%
57.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mozjs52 | 0, 52.9.1-1ubuntu3, 52.9.1-1build1 |
| Ubuntu:18.04:LTS | firefox | *, *, * |
| Ubuntu:22.04:LTS | mozjs78 | 78.13.0-1, 0, 78.15.0-4ubuntu1 |
| Ubuntu:18.04:LTS | mozjs52 | 52.8.1-0ubuntu0.18.04.1, 0, 52.9.1-0ubuntu0.18.04.1 |
| Ubuntu:20.04:LTS | mozjs68 | 68.6.0-1ubuntu1, 68.6.0-1, 68.5.0-2~fakesync |
| Ubuntu:16.04:LTS | firefox | 81.0+build2-0ubuntu0.16.04.1, 81.0.2+build1-0ubuntu0.16.04.1, 82.0+build2-0ubuntu0.16.04.5 |
| Ubuntu:20.04:LTS | firefox | *, *, * |
| Ubuntu:18.04:LTS | mozjs38 | 38.8.0~repack1-0ubuntu3, 38.8.0~repack1-0ubuntu1, 0 |
Timeline
- Apr 20, 2021 CVE Published
- Jun 25, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 25, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 24, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 24, 2022 CVE Updated
- Jun 25, 2022 EPSS Score
- Aug 26, 2022 EPSS Score
- Oct 26, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-29947 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/#CVE-2021-29947 third-party-advisory
- https://ubuntu.com/security/notices/USN-4926-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-29947 third-party-advisory