cvedb.io
CVE-2025-9179
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2025-08-19T21:15:30.247 · Last modified 2026-06-17T10:08:28.883

Summary

An attacker was able to perform memory corruption in the GMP process which processes encrypted media. This process is also heavily sandboxed, but represents slightly different privileges from the content process. This vulnerability was fixed in Firefox 142, Firefox ESR 115.27, Firefox ESR 128.14, Firefox ESR 140.2, Thunderbird 142, Thunderbird 128.14, and Thunderbird 140.2.

Affected products

mozilla — firefox

Does this affect you?

Add your gear to cvedb and we'll alert you only when mozilla ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.