CVE-2024-22211

Summary

CVE-2024-22211 is a newly discovered vulnerability in FreeRDP, a free and open source remote desktop protocol library and clients. Affected versions of FreeRDP contain an integer overflow issue in `freerdp_bitmap_planar_context_reset`, resulting in a heap-buffer overflow. This vulnerability can be exploited by a malicious server to allocate insufficient buffers in a `RDPGFX_RESET_GRAPHICS_PDU`, potentially leading to out-of-bound read/write. However, data extraction over the network is not possible as the buffers are used solely for displaying an image. FreeRDP server implementations and proxies are not vulnerable. Users are urged to upgrade to version 2.11.5 or 3.2.0 as there are currently no known workarounds for this vulnerability.

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