---
id: CVE-2025-15176
title: A flaw has been found in Open5GS up to 2.7.5
summary: >-
  A flaw has been found in Open5GS up to 2.7.5. This affects the function
  decode_ipv6_header/ogs_pfcp_pdr_rule_find_by_packet of the file
  lib/pfcp/rule-match.c of the component PFCP Session Establishment Request
  Handler. Executing a manipu…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-617
vendor: open5gs
product: open5gs
affected:
  - open5gs <= 2.7.5
published: '2025-12-29'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T18:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-15176'
references:
  - url: 'https://github.com/open5gs/open5gs/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/open5gs/open5gs/commit/b72d8349980076e2c033c8324f07747a86eea4f8
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/issues/4180'
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/issues/4180#issue-3666760066'
    label: cna@vuldb.com
  - url: 'https://github.com/open5gs/open5gs/issues/4180#issuecomment-3615555671'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.338561'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.338561'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.719830'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00618
epssPercentile: 0.47811
ingestedAt: '2026-10-05T18:29:11.162Z'
---

## Overview

A flaw has been found in Open5GS up to 2.7.5. This affects the function decode_ipv6_header/ogs_pfcp_pdr_rule_find_by_packet of the file lib/pfcp/rule-match.c of the component PFCP Session Establishment Request Handler. Executing a manipulation can lead to reachable assertion. It is possible to launch the attack remotely. The exploit has been published and may be used. This patch is called b72d8349980076e2c033c8324f07747a86eea4f8. Applying a patch is advised to resolve this issue.

## Affected

- `open5gs <= 2.7.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.