CVE-2021-23958: Medium severity firefox vulnerability
Published Jan 26, 2021
·Updated
The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information.
Affected Software
2 affected componentsFixes available
Mozilla Firefox<85
85
Mozilla Firefox<85.0
Event History
Jan 26, 2021
CVE Published
12:00 AM
Feb 26, 2021
CVE Published
via MITRE·02:07 AM
Data Sourced
via MITRE·02:07 AM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of CVE-2021-23958?
CVE-2021-23958 has been rated as a medium severity vulnerability due to potential information leakage during screen sharing.
2
How do I fix CVE-2021-23958?
To fix CVE-2021-23958, users should update Mozilla Firefox to the latest version above 85.
3
Which versions of Firefox are affected by CVE-2021-23958?
CVE-2021-23958 affects Mozilla Firefox versions prior to 85.
4
What type of vulnerability is CVE-2021-23958?
CVE-2021-23958 is a security vulnerability related to screen sharing functionality leaking unintended information.
5
Can CVE-2021-23958 affect my privacy?
Yes, CVE-2021-23958 can compromise user privacy by unintentionally exposing shared screen content.