CVE-2026-108822

5.3Medium

Published 12 Oct 2026 · NVD status: Deferred · AI triage by gemini-3.8-flash

5.3Medium

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Impact: Limited impact
Weakness: CWE-119, CWE-120

Impact

Remote, unauthenticated attackers can cause a denial of service by crashing the SIP proxy. They only need network access to send crafted traffic processed by Kamailio's sipt module.

Root cause

A buffer overflow in the isup_get_calling_party function in ss7_parser.c caused by improper length handling.

Affected systems

Kamailio versions up to and including 6.0.7 and 6.1.3

CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Fix & remediation

Upgrade to Kamailio 6.0.8, 6.1.4, or later. If patching immediately is not possible, disable the sipt module in your Kamailio configuration if it is not required.

shell

$ sudo apt-get update && sudo apt-get install --only-upgrade kamailio

AI-suggested. Run it in staging first and check it against the vendor advisory. Why?

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NVD description

A vulnerability was detected in Kamailio up to 6.0.7/6.1.3. The affected element is the function isup_get_calling_party of the file src/modules/sipt/ss7_parser.c of the component sipt Module. The manipulation of the argument length results in buffer overflow. The attack may be performed from remote. Upgrading to version 6.0.8 and 6.1.4 is sufficient to fix this issue. The patch is identified as 3667bebf8d0bea07ed16218fd921d07db87aeb21. Upgrading the affected component is advised.

References

Source: nvd.nist.gov/vuln/detail/CVE-2026-108822