Use After Free Affecting Firefox-ESR package, versions [,140.4)
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Test your applications- Snyk IDSNYK-UNMANAGED-FIREFOXESR-13545637
- published14 Oct 2025
- disclosed14 Oct 2025
- creditIrvan Kurniawan
Introduced: 14 Oct 2025
NewCVE-2025-11708 (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 140.4 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free via the MediaTrackGraphImpl::GetInstance function. An attacker can execute arbitrary code or cause a denial of service by triggering access to memory after it has been freed.