Buffer Overflow in Kamailio (CVE-2026-108822)
Summary
Vulnerability in Kamailio (CVE-2026-108822). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-108822 has been found in Kamailio.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Kamailio CVE-2026-108822" on the vendor's site.
CVE-2026-108822 (Kamailio) — CWE-119 / CVSS v3 5.3
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-119) exists in Kamailio.
Check the vendor advisory for the affected versions of Kamailio.
Severity: Medium (CVSS 5.3/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'Kamailio' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'Kamailio' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
Kamailioを grep し、稼働しているサービス・バージョンを把握する。 -
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web cna@vuldb.com
- web nvd.nist.gov
- web github.com
- web github.com