Use-after-free in Mozilla Firefox and Firefox ESR - CVE-2022-22737

Vulnerability identifier: #VU59372

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2022-22737

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Mozilla

Affected software:
Mozilla Firefox
Firefox ESR

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a race condition playing audio files. A remote attacker can construct a specially crafted audio skin, trigger a use-after-free error and execute arbitrary code on the system.

Install updates from vendor's website.

• https://www.mozilla.org/en-US/security/advisories/mfsa2022-01/
• https://www.mozilla.org/en-US/security/advisories/mfsa2022-02/