# CVE-2026-110832: FreeRDP 2.0.0 before 3.32.0 Memory Exhaustion via DRDYNVC DATA_FIRST

> Authenticated attackers can cause server resource exhaustion in FreeRDP by sending crafted DVC messages, leading to denial of service.

- **Severity:** High 7.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 14 Oct 2026
- **Updated:** 15 Oct 2026
- **Also known as:** DEBIAN-CVE-2026-110832, GHSA-33hr-7cgj-xvcg, GHSA-5cgr-vmp8-fmvj, UBUNTU-CVE-2026-110832

## What is CVE-2026-110832?

CVE-2026-110832 is a high-severity denial of service vulnerability in Freerdp Freerdp, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

FreeRDP from 2.0.0 before 3.32.0 contains a memory exhaustion vulnerability in wts_read_drdynvc_data_first that allows authenticated clients to force servers to commit large memory allocations. Attackers can send a seven-byte DATA_FIRST message on an opened DVC declaring a large 32-bit length, causing zeroed resident memory growth and server resource exhaustion.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2026-110832?

It affects 1 product.


Products: Freerdp Freerdp.

## How do I fix CVE-2026-110832?

Upgrade to a fixed version.

## Is CVE-2026-110832 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110832 exists.

## 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-2026-110832 and fix it if it is affected.

What it is: CVE-2026-110832 is a high-severity denial of service vulnerability in Freerdp Freerdp, published on 14 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110832 exists.

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-2026-110832/ (Markdown: https://insights.sbomify.com/CVE-2026-110832/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-110832
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-110832
- OSV: https://osv.dev/vulnerability/CVE-2026-110832

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-110832/
Summaries are generated and may contain mistakes; the official description above is the record.