Use After Free Affecting freebsd package, versions [,14.3.0-p16)[14.4.0,14.4.0-p7)[15.0.0,15.0.0-p11)[15.1.0,15.1.0-p1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-FREEBSD-19427795
- published29 Aug 2026
- disclosed19 Aug 2026
- creditUnknown
Introduced: 19 Aug 2026
NewCVE-2026-49418 (opens in a new tab)How to fix?
Upgrade freebsd to version 14.3.0-p16, 14.4.0-p7, 15.0.0-p11, 15.1.0-p1 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the handling of msync(MS_INVALIDATE) on mappings of unmanaged device objects. An attacker can cause memory corruption and potentially escalate privileges by triggering a double-free condition through repeated page faults and object destruction.