Open5GS up to 2.7.6 Bearer QoS IE Length lib/gtp/v2/types.c ogs_gtp2_parse_bearer_qos denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Open5GS up to 2.7.6. Affected by this issue is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Executing a manipulation can lead to denial of service. This vulnerability is registered as CVE-2025-15418. The attack needs to be launched locally. Furthermore, an exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability has been found in Open5GS up to 2.7.6 and classified as problematic. This vulnerability affects the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-15418. The exploitation appears to be easy. The attack needs to be approached locally. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Applying the patch 4e913d21f2c032b187815f063dbab5ebe65fe83a is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-0727). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.6

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

Researcher Base Score: 7.5
Researcher Vector: 🔒

NVD Base Score: 5.5
NVD Vector: 🔒

CNA Base Score: 3.3
CNA Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 4e913d21f2c032b187815f063dbab5ebe65fe83a

Timelineinfo

01/01/2026 Advisory disclosed
01/01/2026 +0 days VulDB entry created
02/23/2026 +53 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 4217
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2025-15418 (🔒)
GCVE (CVE): GCVE-0-2025-15418
GCVE (VulDB): GCVE-100-339340
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/01/2026 12:02
Updated: 02/23/2026 13:38
Changes: 01/01/2026 12:02 (60), 01/02/2026 02:24 (30), 01/06/2026 00:44 (1), 01/06/2026 16:26 (11), 01/29/2026 10:22 (7), 01/29/2026 10:23 (4), 01/29/2026 10:25 (3), 02/23/2026 13:38 (1)
Complete: 🔍
Submitter: LinZiyu
Committer: LinZiyu
Cache ID: 216:004:103

Submitinfo

Accepted

Once again VulDB remains the best source for vulnerability data.

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