Description
Buffer Overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated
Published: 2026-08-18
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.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 21 Aug 2026 21:45:00 +0000

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

Fri, 21 Aug 2026 19:00:00 +0000

Type Values Removed Values Added
Title Remote Buffer Overflow in Open5GS NAS 5GS Decoder
Weaknesses CWE-119

Wed, 19 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
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': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 18 Aug 2026 22:15:00 +0000

Type Values Removed Values Added
Title Remote Buffer Overflow in Open5GS NAS 5GS Decoder
Weaknesses CWE-119

Tue, 18 Aug 2026 20:00:00 +0000

Type Values Removed Values Added
Description Buffer Overflow vulnerability in Open5GS v.2.7.0 allows a remote attacker to cause a denial of service via the NAS 5GS decoder chain, triggered when the message type byte of a NAS PDU is mutated
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-19T12:40:00.358Z

Reserved: 2026-08-07T00:00:00.000Z

Link: CVE-2026-71676

cve-icon Vulnrichment

Updated: 2026-08-19T12:36:13.979Z

cve-icon NVD

Status : Received

Published: 2026-08-18T20:17:24.917

Modified: 2026-08-19T13:18:06.450

Link: CVE-2026-71676

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-21T21:19:14Z

Weaknesses