#VU81128 Double Free in Mozilla Firefox and Firefox ESR - CVE-2023-5174
Published: September 26, 2023
Vulnerability identifier: #VU81128
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-5174
CWE-ID: CWE-415
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 execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when spawning processes on Windows. A remote attacker can trigger a double free error and execute arbitrary code on the target system.
Note, the vulnerability affects Firefox installations on Windows when running in a non-standard configuration, such as when using "runas".
Remediation
Install updates from vendor's website.