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SUSE freerdp Important Buffer Overflow Issues Fixed 2026-0761-1

suse
Calendar Grey March 3, 2026
Dist Suse Esm H88
Critical security update for freerdp addresses major issues affecting SUSE users with important fixes and patches.
An update that solves six vulnerabilities can now be installed.

Summary

## This update for freerdp fixes the following issues: * CVE-2026-22855: heap-buffer-overflow in smartcard_unpack_set_attrib_call (bsc#1256721). * CVE-2026-22857: heap-use-after-free in irp_thread_func (bsc#1256723). * CVE-2026-23533: improper validation can lead to heap buffer overflow in `clear_decompress_residual_data` (bsc#1256943). * CVE-2026-23732: improper validation can lead to heap buffer overflow in `Glyph_Alloc` (bsc#1256945). * CVE-2026-23883: use-after-free when `update_pointer_color` and `freerdp_image_copy_from_pointer_data` fail (bsc#1256946). * CVE-2026-23884: use-after-free in `gdi_set_bounds` (bsc#1256947). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important heap issue freerdp

References

* bsc#1256721

* bsc#1256723

* bsc#1256943

* bsc#1256945

* bsc#1256946

* bsc#1256947

Cross-

* CVE-2026-22855

* CVE-2026-22857

* CVE-2026-23533

* CVE-2026-23732

* CVE-2026-23883

* CVE-2026-23884

CVSS scores:

* CVE-2026-22855 ( SUSE ): 6.1

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

* CVE-2026-22855 ( SUSE ): 6.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H

* CVE-2026-22855 ( NVD ): 5.6

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:H/VI:N/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-2026-22855 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

* CVE-2026-22857 ( 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:0761-1
Release Date: 2026-03-03T12:40:27Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important heap issue freerdp

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