Out-of-bounds Write Affecting Firefox-ESR package, versions [,115.29)[116.0,140.4)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-FIREFOXESR-13544602
- published14 Oct 2025
- disclosed14 Oct 2025
- creditOskar L
Introduced: 14 Oct 2025
NewCVE-2025-11709 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade Firefox-ESR to version 115.29, 140.4 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write via manipulated WebGL textures in a compromised web process. An attacker can access or modify memory in a more privileged process by exploiting crafted WebGL texture data.