#VU62758 Information disclosure in Mozilla Firefox and Firefox ESR - CVE-2022-29916
Published: May 3, 2022
Vulnerability identifier: #VU62758
Vulnerability risk: Low
CVSSv4.0: 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-2022-29916
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox ESR
Mozilla Firefox
Firefox ESR
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to browsers behaves differently when loading CSS from known resources involving CSS variables. A remote attacker can monitor browser behavior to guess which websites were previously visited and are stored in browser history.
Remediation
Install updates from vendor's website.