CVE-2025-11709
Critical
Description
A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedOct 14, 2025
First seenOct 14, 2025
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- mozilla firefox115.29.0, 144.0, 140.4.0 or later
- mozilla thunderbird144.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 115.29.0, v < 144.0, 116.0 ≤ v < 140.4.0 | 115.29.0, 144.0, 140.4.0 |
| mozilla thunderbird | v < 144.0 | 144.0 |
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