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vulnerabilityCVE-2026-39863
Name
CVE-2026-39863
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
kamailio
Exploitable

Vulnerability Ratings#


7.5
CVSSv31
NaN
other

Others affected component#


Name
Project
Project Version
Version
Status
openwrt
openwrt-25.12
6.0.1-r2
Exploitable