Critical severity9.1NVD Advisory· Published Jul 10, 2026· Updated Jul 14, 2026
CVE-2026-57158
CVE-2026-57158
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. From 3.21.0 before 3.28.0, FreeRDP clients using the GFX pipeline contain an incomplete fix for CVE-2026-23530 in planar_decompress_plane_rle_only in libfreerdp/codec/planar.c, allowing a malicious RDP server to send a truncated RDPGFX_CMDID_WIRETOSURFACE_1 planar payload that reads one byte past the input buffer. This issue is fixed in version 3.28.0.
Affected products
1Patches
Vulnerability mechanics
References
4- github.com/FreeRDP/FreeRDP/commit/a7e797626fcb7f1d556ce63febb84f9f4a822731nvdPatch
- github.com/FreeRDP/FreeRDP/pull/12952nvdPatch
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-mp3f-59pg-c5ppnvdExploitVendor Advisory
- github.com/FreeRDP/FreeRDP/releases/tag/3.28.0nvdRelease Notes
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