CVE-2025-9179 — Sandbox escape due to invalid pointer in the Audio/Video: GMP component
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 p…
Published: 2025-08-19 · CVSS: 9.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7