VDB
CVE-2021-29961
CVE-2021-29961
PUBLISHED
When styling and rendering an oversized `<select>` element, Firefox did not apply correct clipping which allowed an attacker to paint over the user interface. This vulnerability affects Firefox < 89.
EPSS 0.21% · 43.0th percentile
Risk Scores
EPSS Score
0.21%
43.0th 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 | *, 86.0.1+build1-0ubuntu0.20.04.1, 86.0+build3-0ubuntu0.20.04.1 |
| Ubuntu:18.04:LTS | firefox | 78.0.1+build1-0ubuntu0.18.04.1, 78.0.2+build2-0ubuntu0.18.04.1, 79.0+build1-0ubuntu0.18.04.1 |
| Ubuntu:22.04:LTS | mozjs78 | 78.13.0-1, 0, 78.15.0-4ubuntu1 |
| Ubuntu:18.04:LTS | mozjs52 | 0, 52.8.1-0ubuntu0.18.04.1, 52.9.1-0ubuntu0.18.04.1 |
| Ubuntu:20.04:LTS | mozjs68 | 0, 68.6.0-1ubuntu1, 68.6.0-1 |
| Ubuntu:18.04:LTS | mozjs38 | 38.8.0~repack1-0ubuntu4, 38.8.0~repack1-0ubuntu3, 38.8.0~repack1-0ubuntu1 |
Timeline
- Feb 24, 2021 CVE Published
- Jun 25, 2021 EPSS Score
- Jul 2, 2021 EPSS Score
- Jul 8, 2021 EPSS Score
- Oct 7, 2021 EPSS Score
- Oct 23, 2021 EPSS Score
- Dec 23, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 21, 2022 EPSS Score
- Apr 22, 2022 EPSS Score
- Jun 21, 2022 EPSS Score
- Aug 22, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-29961 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-23/#CVE-2021-29961 third-party-advisory
- https://ubuntu.com/security/notices/USN-4978-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-29961 third-party-advisory