CVE-2026-19313

Beskrivelse

An heap overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

Beskrivelsen gjengis slik kilden har publisert den, på engelsk.

Svakhetstype

• CWE-122: Heap-based Buffer Overflow

  A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

• CWE-190: Integer Overflow or Wraparound

  The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is i…

• CWE-680: Integer Overflow to Buffer Overflow

  The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow.

Referanser

• https://psirt.watchguard.com/CVE-2026-19313