CVE-2024-22211

FreeRDP integer Overflow leading to Heap Overflow

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.

Affected

FreeRDP

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 GITHUB

3.7 LOWCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:L

EPSS

1.08% chance of exploitation in the next 30 days, 64th percentile

Published

2024-01-19

Updated

2025-11-03

Proof-of-concept exploits (1)

• FreeRDP/FreeRDP/security/advisories/GHSA-rjhp-44rv-7v59

Security advisories

• FreeRDP/FreeRDP/commit/939e922936e9c3ae8fc204968645e5e7563a2fff

References

• CVE Record
• NVD entry