# CVE-2013-4119: Null dereference in n/a

> Remote attackers can crash the FreeRDP client by disconnecting before authentication completes, causing a denial of service.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 3 Oct 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-vvq6-gvx5-c36q

## What is CVE-2013-4119?

CVE-2013-4119 is a high-severity vulnerability in Freerdp Freerdp, published on 3 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

FreeRDP before 1.1.0-beta+2013071101 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by disconnecting before authentication has finished.

Weakness: CWE-476 (NULL Pointer Dereference)

## Which versions are affected by CVE-2013-4119?

It affects 1 product.


Products: Freerdp Freerdp.

## How do I fix CVE-2013-4119?

Upgrade to a fixed version.

## Is CVE-2013-4119 being exploited?

There is no known exploitation of CVE-2013-4119 in the wild and no public exploit code.

## Other vulnerabilities in Freerdp Freerdp

- [CVE-2021-37594](https://insights.sbomify.com/CVE-2021-37594/): Other in n/a (critical 9.8)
- [CVE-2021-37595](https://insights.sbomify.com/CVE-2021-37595/): Other in n/a (critical 9.8)
- [CVE-2026-67305](https://insights.sbomify.com/CVE-2026-67305/): FreeRDP Windows Client before 3.29.0 Heap Buffer Overflow via Cliprdr (critical 9.4)
- [CVE-2026-66402](https://insights.sbomify.com/CVE-2026-66402/): FreeRDP before 3.29.0 TLS Certificate Identity Validation Bypass (critical 9.3)
- [CVE-2026-67289](https://insights.sbomify.com/CVE-2026-67289/): FreeRDP before 3.29.0 HTTP Proxy Request Injection via Redirection (critical 9.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2013-4119 and fix it if it is affected.

What it is: CVE-2013-4119 is a high-severity vulnerability in Freerdp Freerdp, published on 3 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2013-4119 in the wild and no public exploit code.

Affected product: Freerdp Freerdp. 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-2013-4119/ (Markdown: https://insights.sbomify.com/CVE-2013-4119/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2013-4119
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-4119
- OSV: https://osv.dev/vulnerability/CVE-2013-4119

---
From sbomify Insights: https://insights.sbomify.com/CVE-2013-4119/
Summaries are generated and may contain mistakes; the official description above is the record.