Description
Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogs_pfcp_parse_dropped_dl_traffic_threshold() that allows remote unauthenticated attackers to read past IE buffers via short IEs. Attackers can send PFCP Session Establishment or Modification Requests to the UPF on UDP port 8805 with DLPA and DLBY flags set, potentially crashing the UPF.
Published: 2026-10-09
Score: 6.9 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 09 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Description Open5GS through 2.8.0 contains a heap out-of-bounds read vulnerability in ogs_pfcp_parse_dropped_dl_traffic_threshold() that allows remote unauthenticated attackers to read past IE buffers via short IEs. Attackers can send PFCP Session Establishment or Modification Requests to the UPF on UDP port 8805 with DLPA and DLBY flags set, potentially crashing the UPF.
Title Open5GS through 2.8.0 Heap Out-of-Bounds Read via PFCP Dropped DL Traffic Threshold IE
First Time appeared Open5gs
Open5gs open5gs
Weaknesses CWE-125
CPEs cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Vendors & Products Open5gs
Open5gs open5gs
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-09T14:08:13.256Z

Reserved: 2026-10-09T13:43:08.370Z

Link: CVE-2026-108103

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-10-09T15:17:11.043

Modified: 2026-10-09T15:17:11.163

Link: CVE-2026-108103

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-09T16:15:08Z

Weaknesses