CVE-2025-15419: Open5GS GTPv2-C Flow s5c-handler.c sgwc_s5c_handle_create_session_response denial of service

Published Jan 2, 2026
·
Updated

A weakness has been identified in Open5GS up to 2.7.6. Affected by this issue is the function sgwcs5chandlecreatesessionresponse of the file src/sgwc/s5c-handler.c of the component GTPv2-C Flow Handler. Executing a manipulation can lead to denial of service. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. This patch is called 5aaa09907e7b9e0a326265a5f08d56f54280b5f2. It is advisable to implement a patch to correct this issue.

Affected Software

2 affected components
open5gs/open5gs<=2.7.6
open5gs open5gs<=2.7.6

Event History

Jan 2, 2026
CVE Published
via MITRE·12:02 AM
Data Sourced
via MITRE·12:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Aug 20, 57986
Event
via NVD·10:48 AM
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Frequently Asked Questions

1

What is the severity of CVE-2025-15419?

CVE-2025-15419 has been classified with a potential impact of denial of service due to a vulnerability in the GTPv2-C Flow Handler.

2

How do I fix CVE-2025-15419?

To mitigate CVE-2025-15419, you should upgrade Open5GS to version 2.7.7 or later.

3

What component of Open5GS is affected by CVE-2025-15419?

CVE-2025-15419 affects the GTPv2-C Flow Handler specifically in the function sgwc_s5c_handle_create_session_response.

4

What versions of Open5GS are impacted by CVE-2025-15419?

Open5GS versions up to and including 2.7.6 are affected by CVE-2025-15419.

5

What type of attack can exploit CVE-2025-15419?

CVE-2025-15419 can be exploited through manipulation leading to a denial of service condition.

Contact

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