Description

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.1.1, 6.0.6, and 5.8.8, an out-of-bounds access in the core of Kamailio (formerly OpenSER and SER) allows remote attackers to cause a denial of service (process crash) via a specially crafted data packet sent over TCP. The issue impacts Kamailio instances having TCP or TLS listeners. This vulnerability is fixed in 5.1.1, 6.0.6, and 5.8.8.

INFO

Published Date :

2026-04-08T19:55:56.632Z

Last Modified :

2026-04-09T13:52:38.030Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-39863 vulnerability.

Vendors Products
Kamailio
  • Kamailio
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-39863.

URL Resource
https://github.com/kamailio/kamailio/security/advisories/GHSA-2wj4-f825-2h2f cve-icon cve-icon
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CVSS Vulnerability Scoring System

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