NULL Pointer Dereference Affecting kamailio package, versions [0,]


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-UNMANAGED-KAMAILIO-13722512
  • published27 Oct 2025
  • disclosed27 Oct 2025
  • creditHeng Zhang

Introduced: 27 Oct 2025

NewCVE-2025-12207  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for kamailio.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference via the yyerror_at function in the src/core/cfg.y file. An attacker can cause a denial of service by triggering a null pointer dereference through local access.

CVSS Base Scores

version 4.0
version 3.1