VDB
CVE-2021-23983
CVE-2021-23983
PUBLISHED
CVSS 6.5 MEDIUM
By causing a transition on a parent node by removing a CSS rule, an invalid property for a marker could have been applied, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 87.
EPSS 0.74% · 51.9th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
0.74%
51.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | firefox | 60.0+build2-0ubuntu0.16.04.1, *, 0 |
| Ubuntu:20.04:LTS | mozjs68 | 0, 68.6.0-1ubuntu1, 68.6.0-1 |
| Ubuntu:18.04:LTS | mozjs38 | 0, 38.8.0~repack1-0ubuntu1, 38.8.0~repack1-0ubuntu3 |
| Ubuntu:18.04:LTS | mozjs52 | 52.3.1-7fakesync1, 52.3.1-0ubuntu3, 52.9.1-0ubuntu0.18.04.1 |
| Ubuntu:20.04:LTS | firefox | *, 78.0.1+build1-0ubuntu0.20.04.1, * |
| Ubuntu:22.04:LTS | mozjs78 | 78.15.0-4ubuntu1, 78.15.0-2, 78.13.0-1 |
| Ubuntu:18.04:LTS | firefox | 65.0+build2-0ubuntu0.18.04.1, 65.0.1+build2-0ubuntu0.18.04.1, 66.0+build3-0ubuntu0.18.04.1 |
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1ubuntu3, 52.9.1-1build1, 0 |
Timeline
- Mar 24, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 6, 2021 EPSS Score
- Jun 11, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-23983 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-10/#CVE-2021-23983 third-party-advisory
- https://ubuntu.com/security/notices/USN-4893-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-23983 third-party-advisory