CVE-2026-39863

HIGH

7.5

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.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/8/2026

Derniere modification4/8/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-119

References

https://github.com/kamailio/kamailio/security/advisories/GHSA-2wj4-f825-2h2f(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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