CVE-2025-59174 Denial of service in Packet Core Controller

High 7.1 Published 5 Jun 2026 Updated 5 Jun 2026

An attacker can cause service degradation in Ericsson Packet Core Controller by sending a large volume of specially crafted messages.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-59174?

CVE-2025-59174 is a high-severity denial of service vulnerability in Ericsson Packet Core Controller, published on 5 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Ericsson Packet Core Controller (PCC) versions prior to 1.39 contain a vulnerability where an attacker sending a large volume of specially crafted messages may cause service degradation.

Weakness: CWE-228

Which versions are affected by CVE-2025-59174?

It affects 1 product.

Products include Ericsson Packet Core Controller.

How do I fix CVE-2025-59174?

No fix has been published for CVE-2025-59174 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-2025-59174 being exploited?

There is no known exploitation of CVE-2025-59174 in the wild and no public exploit code.

CVE-2024-53828 Ericsson Packet Core Controller (PCC) - Improper Handling of Syntactically Invalid Structure Vulnerability Medium 5.3

Sources

Also known as GHSA-7hxw-qvvv-v969.