ESB-2026.3835

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3835 Security update for freerdp 17 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: freerdp Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-24491 CVE-2026-26965 CVE-2026-26955 CVE-2026-26271 CVE-2026-31806 CVE-2026-31883 CVE-2026-31885 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261398-1 Comment: CVSS (Max): 8.8 CVE-2026-31806 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) CVSS Source: NIST, [SUSE] Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H EPSS (Max): 0.1% (24th) CVE-2026-26965 2026-04-16 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for freerdp Announcement ID: SUSE-SU-2026:1398-1 Release Date: 2026-04-16T10:40:51Z Rating: important o bsc#1257981 o bsc#1258979 o bsc#1258982 o bsc#1258985 References: o bsc#1259653 o bsc#1259679 o bsc#1259686 o bsc#1261848 o CVE-2026-24491 o CVE-2026-26271 o CVE-2026-26955 Cross-References: o CVE-2026-26965 o CVE-2026-31806 o CVE-2026-31883 o CVE-2026-31885 o CVE-2026-24491 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N o CVE-2026-24491 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:L/I:L/A:L o CVE-2026-24491 ( NVD ): 7.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/ UI:N/VC:N/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 o CVE-2026-24491 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-26271 ( NVD ): 5.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/ UI:N/VC:N/VI:N/VA:L/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 o CVE-2026-26271 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:L o CVE-2026-26955 ( SUSE ): 8.7 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N o CVE-2026-26955 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R /S:U/C:H/I:H/A:H o CVE-2026-26955 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/ S:U/C:H/I:H/A:H o CVE-2026-26965 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N o CVE-2026-26965 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R /S:U/C:H/I:H/A:H o CVE-2026-26965 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/ CVSS scores: S:U/C:H/I:H/A:H o CVE-2026-31806 ( SUSE ): 7.5 CVSS:4.0/AV:N/AC:H/AT:N/PR:N /UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N o CVE-2026-31806 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R /S:U/C:H/I:H/A:H o CVE-2026-31806 ( NVD ): 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/ UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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 o CVE-2026-31806 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-31883 ( SUSE ): 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N o CVE-2026-31883 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:L/I:L/A:L o CVE-2026-31883 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:H/I:H/A:H o CVE-2026-31883 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:L/I:L/A:N o CVE-2026-31885 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N /UI:P/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N o CVE-2026-31885 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R /S:U/C:H/I:N/A:L o CVE-2026-31885 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/ S:U/C:H/I:N/A:N o CVE-2026-31885 ( NVD ): 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:H/I:L/A:H o SUSE Linux Enterprise Desktop 15 SP7 o SUSE Linux Enterprise Real Time 15 SP7 Affected o SUSE Linux Enterprise Server 15 SP7 Products: o SUSE Linux Enterprise Server for SAP Applications 15 SP7 o SUSE Linux Enterprise Workstation Extension 15 SP7 o SUSE Package Hub 15 15-SP7 An update that solves seven vulnerabilities and has one security fix can now be installed. Description: This update for freerdp fixes the following issues: Security fixes: o CVE-2026-26271: Buffer overread in FreeRDP icon processing (bsc#1258979). o CVE-2026-26955: Out-of-Bounds write in ClearCodec surface command handler (bsc#1258982). o CVE-2026-26965: Out-of-bounds write in planar bitmap RLE decompression (bsc #1258985). o CVE-2026-31806: improper validation of server messages can lead to a heap buffer overflow and arbitrary code execution (bsc#1259653). o CVE-2026-31883: crafted RDPSND audio format and wave data can cause a heap buffer overwrite (bsc#1259679). o CVE-2026-31885: unchecked predictor can lead to an out-of-bounds read (bsc# 1259686). Other changes for freerdp: o Update CVE-2026-24491 patch and check the channel pointer before reset, avoiding subtle crash (bsc#1261848). o Make the calling of nsc_process_message compatible with the fix for CVE-2026-31806 (bsc#1261848). Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: o SUSE Package Hub 15 15-SP7 zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-1398= 1 o SUSE Linux Enterprise Workstation Extension 15 SP7 zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2026-1398=1 Package List: o SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x) freerdp-wayland-3.10.3-150700.3.9.1 freerdp-server-debuginfo-3.10.3-150700.3.9.1 freerdp-debuginfo-3.10.3-150700.3.9.1 freerdp-devel-3.10.3-150700.3.9.1 freerdp-wayland-debuginfo-3.10.3-150700.3.9.1 freerdp-proxy-3.10.3-150700.3.9.1 freerdp-server-3.10.3-150700.3.9.1 libuwac0-0-3.10.3-150700.3.9.1 freerdp-proxy-debuginfo-3.10.3-150700.3.9.1 libuwac0-0-debuginfo-3.10.3-150700.3.9.1 freerdp-3.10.3-150700.3.9.1 freerdp-debugsource-3.10.3-150700.3.9.1 o SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64) freerdp-sdl-3.10.3-150700.3.9.1 freerdp-proxy-3.10.3-150700.3.9.1 libfreerdp3-3-3.10.3-150700.3.9.1 libfreerdp-server-proxy3-3-debuginfo-3.10.3-150700.3.9.1 libwinpr3-3-3.10.3-150700.3.9.1 winpr-devel-3.10.3-150700.3.9.1 librdtk0-0-debuginfo-3.10.3-150700.3.9.1 libfreerdp3-3-debuginfo-3.10.3-150700.3.9.1 freerdp-3.10.3-150700.3.9.1 freerdp-server-debuginfo-3.10.3-150700.3.9.1 freerdp-debuginfo-3.10.3-150700.3.9.1 freerdp-devel-3.10.3-150700.3.9.1 freerdp-sdl-debuginfo-3.10.3-150700.3.9.1 librdtk0-0-3.10.3-150700.3.9.1 freerdp-proxy-debuginfo-3.10.3-150700.3.9.1 freerdp-proxy-plugins-3.10.3-150700.3.9.1 freerdp-server-3.10.3-150700.3.9.1 freerdp-proxy-plugins-debuginfo-3.10.3-150700.3.9.1 libfreerdp-server-proxy3-3-3.10.3-150700.3.9.1 libwinpr3-3-debuginfo-3.10.3-150700.3.9.1 freerdp-debugsource-3.10.3-150700.3.9.1 References: o https://www.suse.com/security/cve/CVE-2026-24491.html o https://www.suse.com/security/cve/CVE-2026-26271.html o https://www.suse.com/security/cve/CVE-2026-26955.html o https://www.suse.com/security/cve/CVE-2026-26965.html o https://www.suse.com/security/cve/CVE-2026-31806.html o https://www.suse.com/security/cve/CVE-2026-31883.html o https://www.suse.com/security/cve/CVE-2026-31885.html o https://bugzilla.suse.com/show_bug.cgi?id=1257981 o https://bugzilla.suse.com/show_bug.cgi?id=1258979 o https://bugzilla.suse.com/show_bug.cgi?id=1258982 o https://bugzilla.suse.com/show_bug.cgi?id=1258985 o https://bugzilla.suse.com/show_bug.cgi?id=1259653 o https://bugzilla.suse.com/show_bug.cgi?id=1259679 o https://bugzilla.suse.com/show_bug.cgi?id=1259686 o https://bugzilla.suse.com/show_bug.cgi?id=1261848 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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