CVE-2025-15418 Open5GS Bearer QoS IE Length types.c ogs_gtp2_parse_bearer_qos denial of service
A local attacker can cause a denial of service in Open5GS by manipulating Bearer QoS IE Length parameters in GTPv2 messages.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15418?
CVE-2025-15418 is a medium-severity denial of service vulnerability in Open5gs Open5gs, published on 1 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function ogs_gtp2_parse_bearer_qos in the library lib/gtp/v2/types.c of the component Bearer QoS IE Length Handler. Performing a manipulation results in denial of service. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is named 4e913d21f2c032b187815f063dbab5ebe65fe83a. To fix this issue, it is recommended to deploy a patch.
Weakness: CWE-404
Which versions are affected by CVE-2025-15418?
It affects 1 product.
Products include Open5gs Open5gs.
How do I fix CVE-2025-15418?
No fix has been published for CVE-2025-15418 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-15418 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15418 exists.
Other vulnerabilities in Open5gs Open5gs
Sources
Also known as GHSA-gq8r-4rr6-wr2q.