CVE-2026-93962

Kamailio CDP Diameter Receiver receiver.c shm_malloc heap-based overflow

HIGH
8.3
CVSS Score
Published: September 20, 2026 at 05:00 AM UTC
Updated: September 22, 2026 at 05:17 PM UTC
1 product affected across 1 vendorKamailio

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Severity
HIGH8.3
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

A weakness has been identified in Kamailio up to 5.8.8/6.0.7/6.1.4/6.2.0-dev1. The impacted element is the function shm_malloc of the file src/modules/cdp/receiver.c of the component CDP Diameter Receiver. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 6.0.8 is sufficient to resolve this issue. This patch is called 38711a3e788de0130d48cb485578c482b57d9351/4f62235b6f477b649c5cc18b0c81b4e26c949b98/4f62235b6f477b649c5cc18b0c81b4e26c949b98. You should upgrade the affected component.

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 (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/407921
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/407921/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-93962
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/944244
ExploitIssue Tracking
Source: cverecord
https://github.com/kamailio/kamailio/issues/4876
Issue TrackingPatch
Source: cverecord
https://github.com/kamailio/kamailio/pull/4877

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

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

CVSS

8.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-122CWE-119

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