CVE-2026-19316

Summary

A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

Affected Software

VendorProductVersion RangeStatus
WatchGuardFireware OS2025.0 < 2026.2.2affected
WatchGuardFireware OS12.0 < 12.12.2affected
WatchGuardFireware OS12.0 < 12.5.20affected

Weaknesses

  • CWE-415: CWE-415
  • CWE-416: CWE-416

References