Assertion failure vulnerability in the PCO (Protocol Configuration Options) parser in the SMF (Session Management Function) component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol configuration data.
History

Mon, 04 May 2026 21:45:00 +0000

Type Values Removed Values Added
Title DoS via PCO Parser Assertion Failure in Open5GS SMF

Mon, 04 May 2026 20:15:00 +0000

Type Values Removed Values Added
Title Remote Denial of Service via Malformed NGAP Protocol Configuration Options in Open5GS SMF
Weaknesses CWE-20
CWE-682

Mon, 04 May 2026 18:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-617
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'}


Sat, 02 May 2026 00:45:00 +0000

Type Values Removed Values Added
Title Remote Denial of Service via Malformed NGAP Protocol Configuration Options in Open5GS SMF
Weaknesses CWE-20
CWE-682

Thu, 30 Apr 2026 22:45:00 +0000

Type Values Removed Values Added
First Time appeared Open5gs
Open5gs open5gs
Vendors & Products Open5gs
Open5gs open5gs

Thu, 30 Apr 2026 20:00:00 +0000

Type Values Removed Values Added
Description Assertion failure vulnerability in the PCO (Protocol Configuration Options) parser in the SMF (Session Management Function) component of Open5GS before v2.7.5 allows remote attackers to cause denial of service via specially crafted NGAP messages containing malformed length fields in protocol configuration data.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-04-30T00:00:00.000Z

Updated: 2026-05-04T17:52:37.623Z

Reserved: 2025-08-17T00:00:00.000Z

Link: CVE-2025-56568

cve-icon Vulnrichment

Updated: 2026-05-04T15:01:17.455Z

cve-icon NVD

Status : Deferred

Published: 2026-04-30T20:16:23.220

Modified: 2026-05-04T18:16:25.527

Link: CVE-2025-56568

cve-icon Redhat

No data.