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SUSE FreeRDP Important Heap Overflow Security Vuln 2026-0559-1

suse
Calendar Grey February 16, 2026
Dist Suse Esm H88
A critical security update for FreeRDP on SUSE addresses multiple heap overflow issues. Install this update to secure systems.
An update that solves eight vulnerabilities can now be installed.

Summary

## This update for freerdp fixes the following issues: * CVE-2026-22852: a malicious RDP server can trigger a heap-buffer-overflow in audin_process_formats (bsc#1256718). * CVE-2026-22854: server-controlled read length is used to read file data into an IRP output can cause heap-buffer-overflow in drive_process_irp_read (bsc#1256720). * CVE-2026-22856: race condition in the serial channel IRP thread tracking can cause heap-use-after-free in create_irp_thread(bsc#1256722). * CVE-2026-22859: improper bound check can lead to heap-buffer-overflow in urb_select_configuration (bsc#1256725). * CVE-2026-23530: improper validation can lead to heap buffer overflow in `planar_decompress_plane_rle` (bsc#1256940). * CVE-2026-23531: improper validation in `clear_decompress` can lead to heap

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important heap overflow freerdp

References

* bsc#1256718

* bsc#1256720

* bsc#1256722

* bsc#1256725

* bsc#1256940

* bsc#1256941

* bsc#1256942

* bsc#1256944

Cross-

* CVE-2026-22852

* CVE-2026-22854

* CVE-2026-22856

* CVE-2026-22859

* CVE-2026-23530

* CVE-2026-23531

* CVE-2026-23532

* CVE-2026-23534

CVSS scores:

* CVE-2026-22852 ( SUSE ): 7.7

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

* CVE-2026-22852 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

* CVE-2026-22852 ( NVD ): 6.8

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

* CVE-2026-22852 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-22854 ( SUSE ): 7.7

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0559-1
Release Date: 2026-02-16T11:43:08Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important heap overflow freerdp

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