VDB
CVE-2021-29947
CVE-2021-29947
PUBLISHED
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 0.35% · 58.0th percentile
Risk Scores
EPSS Score
0.35%
58.0th 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 26, 2021 CVE Published
- Jun 25, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 24, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 21, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 23, 2022 EPSS Score
- Aug 22, 2022 EPSS Score
- Oct 21, 2022 EPSS Score
- Dec 21, 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