VDB
CVE-2021-23958
CVE-2021-23958
PUBLISHED
The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information. This vulnerability affects Firefox < 85.
EPSS 0.25% · 48.3th percentile
Risk Scores
EPSS Score
0.25%
48.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | mozjs52 | 52.3.1-7fakesync1, 52.3.1-0ubuntu3, 0 |
| Ubuntu:20.04:LTS | firefox | 71.0+build2-0ubuntu2, 71.0+build5-0ubuntu1, 72.0.2+build1-0ubuntu1 |
| Ubuntu:22.04:LTS | mozjs78 | 78.15.0-4ubuntu1, 78.13.0-1, 78.15.0-2 |
| Ubuntu:20.04:LTS | mozjs68 | 0, 68.5.0-2~fakesync, 68.6.0-1 |
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1build1, 52.9.1-1ubuntu3, 0 |
| Ubuntu:18.04:LTS | mozjs38 | 38.8.0~repack1-0ubuntu1, *, 0 |
| Ubuntu:18.04:LTS | firefox | 84.0+build3-0ubuntu0.18.04.1, 84.0.1+build1-0ubuntu0.18.04.1, * |
| Ubuntu:16.04:LTS | firefox | 84.0.2+build1-0ubuntu0.16.04.1, 0, 42.0+build2-0ubuntu1 |
Timeline
- Jan 26, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-23958 third-party-advisory
- https://www.mozilla.org/en-US/security/advisories/mfsa2021-03/#CVE-2021-23958 third-party-advisory
- https://ubuntu.com/security/notices/USN-4717-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-23958 third-party-advisory