Use-after-free in Mozilla Firefox - #VU75886

 

Use-after-free in Mozilla Firefox - #VU75886

Published: May 9, 2023


Vulnerability identifier: #VU75886
CSH Severity: Medium
CVSS v4: 7.5 [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]
CVE-ID: N/A
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a race condition during dav1d decoding. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Mozilla Firefox

Remediation

Install updates from vendor's website.

Mozilla Firefox - update to 113.0

External References

Related Security Bulletins