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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Kamailio | 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.7, 6.1.0, 6.1.1, 6.1.2, 6.1.3 | 6.0.8 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | kamailio | 6.1.5-1 | — |
| Debian 13 | kamailio | No fix yet | — |
| Debian 12 | kamailio | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | kamailio | No fix yet | — |
| Ubuntu 26.04 LTS | kamailio | No fix yet | — |
| Ubuntu 24.04 LTS | kamailio | No fix yet | — |
| Ubuntu 22.04 LTS | kamailio | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | kamailio | No fix yet | — |
| Ubuntu Pro 18.04 LTS | kamailio | No fix yet | — |
| Ubuntu Pro 16.04 LTS | kamailio | No fix yet | — |
References
- VDB-416599 | Kamailio sipt ss7_parser.c isup_get_calling_party buffer overflow vdb-entry technical-description
- VDB-416599 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-108822 | CVE Analysis and Report third-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/4905 issue-tracking patch
- https://github.com/kamailio/kamailio/commit/3667bebf8d0bea07ed16218fd921d07db87aeb21 patch
- https://github.com/kamailio/kamailio/releases/tag/6.0.8 patch
- https://github.com/kamailio/kamailio/ product