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OpenAdvisories
Medium · 5.1 CVE-2026-57158 EUVD-2026-43005

FreeRDP planar_decompress_plane_rle_only: heap OOB read — incomplete fix for CVE-2026-23530

Published Jul 10, 2026 · Updated Jul 14, 2026 · Assigned by GitHub_M

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

VendorProductAffectedFixed
FreeRDP FreeRDP >= 3.21.0, < 3.28.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 freerdp3 3.28.0+dfsg-1 —
Debian 13 freerdp3 No fix yet —
Debian 12 freerdp2 No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS freerdp3 3.30.0+dfsg-0ubuntu0.26.04.1 USN-8561-1
Ubuntu 25.10 freerdp3 No fix yet —
Ubuntu 24.04 LTS freerdp3 3.30.0+dfsg-0ubuntu0.24.04.1 USN-8561-1
Ubuntu 22.04 LTS freerdp2 No fix yet —
Ubuntu 18.04 LTS freerdp No fix yet —
Show 4 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS freerdp No fix yet —
Ubuntu Pro 24.04 LTS freerdp2 No fix yet —
Ubuntu Pro 20.04 LTS freerdp2 No fix yet —
Ubuntu Pro 18.04 LTS freerdp2 No fix yet —
ReleasePackageFixed inAdvisory
SLES 15 SP7 freerdp 3.10.3-150700.3.17.1 SUSE-SU-2026:3562-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed freerdp 3.28.0-1.1 openSUSE-SU-2026:11263-1
ReleasePackageFixed inAdvisory
Alpine v3.24 freerdp 3.29.0-r0 —

Amazon Linux

ReleasePackageFixed inAdvisory
Amazon Linux 2023 freerdp +5 2:3.6.3-1.amzn2023.0.13 ALAS2023-2026-2012
Amazon Linux 2 freerdp +4 2:2.11.7-1.amzn2.0.13 ALAS2-2026-3840

Advisories 6

References