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

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

- **Severity:** High 7.1 (`CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Jun 2026
- **Updated:** 5 Jun 2026
- **Also known as:** GHSA-7hxw-qvvv-v969

## 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 (Improper Handling of Syntactically Invalid Structure)

## Which versions are affected by CVE-2025-59174?

It affects 1 product.


Products: 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.

## Is CVE-2025-59174 being exploited?

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

## Other vulnerabilities in Ericsson Packet Core Controller

- [CVE-2024-53828](https://insights.sbomify.com/CVE-2024-53828/): Ericsson Packet Core Controller (PCC) - Improper Handling of Syntactically Invalid Structure Vulnerability (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-59174 and fix it if it is affected.

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

Affected product: Ericsson Packet Core Controller. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-59174/ (Markdown: https://insights.sbomify.com/CVE-2025-59174/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-59174
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-59174
- OSV: https://osv.dev/vulnerability/CVE-2025-59174

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-59174/
Summaries are generated and may contain mistakes; the official description above is the record.