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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| kamailio | — | 6.0.6-r0 |
References
Similar Threats
- Unknown ALPINE-CVE-2026-39863
- Unknown DEBIAN-CVE-2026-39863
- High CVE-2026-39863
- Medium CVE-2026-39864
- Unknown DEBIAN-CVE-2026-39864
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