Resource exhaustion in Firefox for Android and Mozilla Firefox - CVE-2026-92063
Published: September 15, 2026
Vulnerability identifier: #VU150107
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92063
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an unspecified availability flaw in the Audio/Video component when processing media. A remote attacker can trigger the flaw to cause a denial of service.
Affected software
Firefox for Android
Mozilla Firefox
Mozilla Firefox
How to mitigate CVE-2026-92063
Install security update from vendor's website.
Firefox for Android - update to 156.0
Mozilla Firefox - update to 156.0
Mozilla Firefox - update to 156.0