CVE-2025-44951 Memory corruption in n/a

High 7.1 Published 18 Jun 2025 Updated 9 Jan 2026

A local attacker can trigger a buffer overflow in Open5GS PFCP library via a missing length check, potentially causing denial of service or code execution.

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-2025-44951?

CVE-2025-44951 is a high-severity memory corruption vulnerability in Open5gs Open5gs, published on 18 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A missing length check in `ogs_pfcp_dev_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dev` field with a value with length greater than 32.

Weakness: CWE-120

Which versions are affected by CVE-2025-44951?

It affects 1 product.

Products include Open5gs Open5gs.

How do I fix CVE-2025-44951?

No fix has been published for CVE-2025-44951 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-44951 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-44951 exists.

All Open5gs Open5gs vulnerabilities

Sources

Also known as GHSA-p473-xrh6-2cx4.