Out-of-bounds Read Affecting kamailio package, versions [,5.8.7)[6.0.0,6.0.5)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-UNMANAGED-KAMAILIO-16032070
  • published14 Apr 2026
  • disclosed8 Apr 2026
  • creditUnknown

Introduced: 8 Apr 2026

CVE-2026-39864  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade kamailio to version 5.8.7, 6.0.5 or higher.

Overview

Affected versions of this package are vulnerable to Out-of-bounds Read via the auth module when a successful user authentication without a database backend is followed by additional user identity checks. An attacker can cause a process crash by sending a specially crafted SIP packet.

CVSS Base Scores

version 4.0
version 3.1