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CVE-2026-93962

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

CVSS 4.0 6.9 MEDIUMCVSS 3.1 8.3 HIGHCVSS 3.0 8.3 HIGHCVSS 2.0 7.5 Check source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-93962

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-93962

Published

Kamailio

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "n/a",
                    "product": "Kamailio",
                    "versions": [
                        {
                            "version": "5.8.0",
                            "status": "affected"
                        },
                        {
                            "version": "5.8.1",
                            "status": "affected"
                        },
                        {
                            "version": "5.8.2",
                            "status": "affected"
                        },
                        {
                            "version": "5.8.3",
                            "status": "affected"
                        },
                        {
                            "version": "5.8.4",
                            "status": "affected"
                        },
                        {
                            "version": "5.8.5",
                            "status": "affected"
                        },
                        {
                            "version": "5.8.6",
                            "status": "affected"
                        },
                        {
                            "version": "5.8.7",
                            "status": "affected"
                        },
                        {
                            "version": "5.8.8",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.0",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.2",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.3",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.4",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.5",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.6",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.7",
                            "status": "affected"
                        },
                        {
                            "version": "6.1.0",
                            "status": "affected"
                        },
                        {
                            "version": "6.1.1",
                            "status": "affected"
                        },
                        {
                            "version": "6.1.2",
                            "status": "affected"
                        },
                        {
                            "version": "6.1.3",
                            "status": "affected"
                        },
                        {
                            "version": "6.1.4",
                            "status": "affected"
                        },
                        {
                            "version": "6.2.0-dev1",
                            "status": "affected"
                        },
                        {
                            "version": "6.0.8",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "CDP Diameter Receiver"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON