Resource management error in Mozilla Firefox - CVE-2021-23958
Published: January 26, 2021
Vulnerability identifier: #VU50028
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-23958
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Mozilla Firefox
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to improper management of internal resources within the application. A remote attacker can confuse the browser into transferring a screen sharing state into another tab, which would leak unintended information.
How to mitigate CVE-2021-23958
Install updates from vendor's website.