#VU66725 Use-after-free in Firefox ESR - CVE-2022-38476
Published: August 23, 2022
Vulnerability identifier: #VU66725
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-38476
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Firefox ESR
Firefox ESR
Software vendor:
Mozilla
Mozilla
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a data race within the in the PK11_ChangePW function. A remote attacker can trigger a use-after-free error and crash the browser.
Remediation
Install updates from vendor's website.