Out-of-bounds Read Affecting freerdp3 package, versions <3.28.0+dfsg-1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.46% (38th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FREERDP3-17882069
  • published8 Jul 2026
  • disclosed10 Jul 2026

Introduced: 8 Jul 2026

CVE-2026-57158  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:unstable freerdp3 to version 3.28.0+dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream freerdp3 package and not the freerdp3 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1