SUSE freerdp Important Six Buffer Overflow Fix 2026-0656-1
suse
February 26, 2026
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 Covered
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
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Severity
important
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Announcement ID: SUSE-SU-2026:0656-1
Release Date: 2026-02-26T15:06:37Z
Rating: important
Topics Covered
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