9.8
Critical
CVE-2025-9179 An attacker was able to perform memory corruption in the GMP process which processes encrypted media
Description
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 142 | earliest → < 142 | 142 |
| Firefox 140.2 | earliest → < 140.2 | 140.2 |
| Firefox 128.14 | earliest → < 128.14 | 128.14 |
| Firefox 115.27 | earliest → < 115.27 | 115.27 |
| Firefox ESR 140.2 | earliest → < 140.2 | 140.2 |
| Thunderbird 142 | earliest → < 142 | 142 |
| Thunderbird 140.2 | earliest → < 140.2 | 140.2 |
| Thunderbird 128.14 | earliest → < 128.14 | 128.14 |