CVE-2026-108822

Kamailio sipt ss7_parser.c isup_get_calling_party buffer overflow

State: Published
Severity: 6.9 Medium
Published: Oct 12, 2026
Updated: Oct 14, 2026
Reserved: Oct 11, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C	VulDB
3.0	5.3 Medium	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-120 Buffer Overflow
CWE-119 Memory Corruption

Affected Products

Product	Versions
Kamailion/a	6.0.0Affected 6.0.1Affected 6.0.2Affected 6.0.3Affected 6.0.4Affected 6.0.5Affected 6.0.6Affected 6.0.7Affected 6.1.0Affected 6.1.1Affected 6.1.2Affected 6.1.3Affected 6.0.8Not affected 6.1.4Not affected

References

VDB-416599 | Kamailio sipt ss7_parser.c isup_get_calling_party buffer overflowvdb-entrytechnical-description
VDB-416599 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-108822 | CVE Analysis and Reportthird-party-advisory
Submit #964495 | Kamailio Kamailio SIP Server 6.1.3 (stable, verified) — fixed in PR #4905 (merged 2026-09-08) CWE-120: Buffer Overflow (Static/Global Buffer Overflow)third-party-advisory
https://github.com/kamailio/kamailio/pull/4905issue-trackingpatch
https://github.com/kamailio/kamailio/commit/3667bebf8d0bea07ed16218fd921d07db87aeb21patch
https://github.com/kamailio/kamailio/releases/tag/6.0.8patch
https://github.com/kamailio/kamailio/product

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