CVE-2026-82608

Kamailio AVP cxdx_avp.c get_4bytes out-of-bounds

HIGH
7.4
CVSS Score
Published: August 31, 2026 at 02:45 AM UTC
Updated: August 31, 2026 at 09:06 PM UTC
1 product affected across 1 vendorKamailio

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Severity
HIGH7.4
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

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."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/397109
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/397109/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-82608
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/892903
ExploitIssue Tracking
Source: cverecord
https://github.com/kamailio/kamailio/issues/4816
Issue TrackingPatch
Source: cverecord
https://github.com/Kamailio/Kamailio/pull/4823

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.4HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-125CWE-119

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