VDB
CVE-2021-29961
CVE-2021-29961
PUBLISHED
CVSS 4.300000190734863 MEDIUM
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 0.76% · 55.2th percentile
Risk Scores
CVSS 3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS Score
0.76%
55.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | mozjs52 | 0, 52.9.1-1build1, 52.9.1-1ubuntu3 |
| Ubuntu:20.04:LTS | firefox | 77.0.1+build1-0ubuntu0.20.04.1, 88.0.1+build1-0ubuntu0.20.04.2, 87.0+build3-0ubuntu0.20.04.2 |
| Ubuntu:18.04:LTS | firefox | 73.0+build3-0ubuntu0.18.04.1, 73.0.1+build1-0ubuntu0.18.04.1, 74.0+build3-0ubuntu0.18.04.1 |
| 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 26, 2021 EPSS Score
- Dec 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 28, 2022 EPSS Score
- Jun 28, 2022 EPSS Score
- Aug 29, 2022 EPSS Score
References
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-23/#CVE-2021-29961 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-29961 third-party-advisory
- https://ubuntu.com/security/CVE-2021-29961 advisory
- https://ubuntu.com/security/notices/USN-4978-1 advisory