Kamailio AVP cxdx_avp.c get_4bytes out-of-bounds
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
A vulnerability was determined in Kamailio up to 5.5.0/6.0.7. This affects the function get_4bytes of the file src/modules/ims_registrar_scscf/cxdx_avp.c of the component AVP Handler. Executing a manipulation can lead to out-of-bounds read. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This patch is called abb5d60af6eefbd367bf6588c5589566b090e272. It is advisable to implement a patch to correct this issue. The vendor points out, that "[v]ersion 5.5.0 is old and not maintained anymore."
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Kamailio | 5.0; 5.1; 5.2; 5.3; 5.4; 5.5.0; 6.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4; 6.0.5; 6.0.6; 6.0.7 | — | No fix listed | CNA |
- Kamailio Vendor— Affected 5.0; 5.1; 5.2; 5.3; 5.4; 5.5.0; 6.0.0; 6.0.1; 6.0.2; 6.0.3; 6.0.4; 6.0.5; 6.0.6; 6.0.7 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-82608
- 2026-10-03 Alias added: GHSA-cqrq-g7g6-656p
References
Sources
- CVE-2026-82608 · CVE Program
- CVE-2026-82608 · NVD
- FIRST EPSS
- GHSA-cqrq-g7g6-656p · GitHub Advisory Database · CC BY 4.0
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