CVE-2026-39864 — Kamailio Auth: Processing Vulnerability For Additional Authenticated User Identity Checks

CVE-2026-39864

Kamailio Auth: Processing Vulnerability For Additional Authenticated User Identity Checks PUBLISHED

Description (CNA)

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.0.5 and 5.8.7, an out-of-bounds read in the auth module of Kamailio (formerly OpenSER and SER) allows remote attackers to cause a denial of service (process crash) via a specially crafted SIP packet if a successful user authentication without a database backend is followed by additional user identity checks. This vulnerability is fixed in 6.0.5 and 5.8.7.

Affected (CNA)

Vendor / product	Versions
kamailio / kamailio	affected < 5.8.7; affected >= 6.0.0, < 6.0.5

CWE

CWE-125

References

https://github.com/kamailio/kamailio/security/advisories/GHSA-6m86-m342-g48m

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.