Description
An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the ims_registrar_pcscf module, specifically the pcscf_save_pending/save_pending path and security-agreement parsing in sec_agree.c:parse_sec_agree()
Published: 2026-09-01
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6494-1 kamailio security update
History

Mon, 19 Oct 2026 23:45:00 +0000

Type Values Removed Values Added
Title Denial of Service via IMS Registrar Module in Kamailio SIP Server

Mon, 19 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-362

Mon, 21 Sep 2026 06:45:00 +0000

Type Values Removed Values Added
Title Denial of Service via IMS Registrar Module in Kamailio SIP Server

Tue, 15 Sep 2026 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-415
CPEs cpe:2.3:a:kamailio:kamailio:*:*:*:*:*:*:*:*

Thu, 10 Sep 2026 05:30:00 +0000

Type Values Removed Values Added
Title Remote Denial of Service via Security Agreement Parsing in Kamailio ims_registrar_pcscf Module
Weaknesses CWE-119

Tue, 08 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 01:30:00 +0000

Type Values Removed Values Added
Title Remote Denial of Service via Security Agreement Parsing in Kamailio ims_registrar_pcscf Module
Weaknesses CWE-119

Wed, 02 Sep 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Kamailio
Kamailio kamailio
Vendors & Products Kamailio
Kamailio kamailio

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description An issue in kamailio v.6.1.1 and before allows a remote attacker to cause a denial of service via the ims_registrar_pcscf module, specifically the pcscf_save_pending/save_pending path and security-agreement parsing in sec_agree.c:parse_sec_agree()
References

Subscriptions

Kamailio Kamailio
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-19T19:36:59.205Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-52023

cve-icon Vulnrichment

Updated: 2026-09-08T19:10:59.163Z

cve-icon NVD

Status : Modified

Published: 2026-09-01T18:17:43.360

Modified: 2026-10-19T20:18:44.700

Link: CVE-2026-52023

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T23:30:05Z

Weaknesses
  • CWE-362

    Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

  • CWE-400

    Uncontrolled Resource Consumption

  • CWE-415

    Double Free