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openSUSE 16.0 xorg-x11-server Important Security Update 2026-20544-1

An update that solves 5 vulnerabilities and has 5 bug fixes can now be installed.. openSUSE security update: security update for xorg-x11-server ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20544-1 Rating: important References: * bsc#1260922 * bsc#1260923 * bsc#1260924 * bsc#1260925 * bsc#1260926 Cross-References: * CVE-2026-33999 * CVE-2026-34000 * CVE-2026-34001 * CVE-2026-34002 * CVE-2026-34003 CVSS scores: * CVE-2026-33999 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H * CVE-2026-33999 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-34000 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H * CVE-2026-34000 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-34001 ( SUSE ): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H * CVE-2026-34001 ( SUSE ): 7.3 CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N * CVE-2026-34002 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H * CVE-2026-34002 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-34003 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H * CVE-2026-34003 ( SUSE ): 6.9 CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N Affected Products: openSUSE Leap 16.0 ------------------------------------------------------------- An update that solves 5 vulnerabilities and has 5 bug fixes can now be installed. Description: This update for xorg-x11-server fixes the following issues: - CVE-2026-33999: XKB Integer Underflow in XkbSetCompatMap() (bsc#1260922). - CVE-2026-34000: XKB Out-of-bounds Read in CheckSetGeom() (bsc#1260923). - CVE-2026-34001: XSYNC Use-after-free in miSyncTriggerFence() (bsc#1260924). - CVE-2026-34002: XKB Out-of-bounds read in CheckModifierMap() (bsc#1260925). - CVE-2026-34003: XKB Buffer overflow in CheckKeyTypes() (bsc#1260926). Patch instructions: Toinstall this openSUSE security update use the suse recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 16.0 zypper in -t patch openSUSE-Leap-16.0-567=1 Package List: - openSUSE Leap 16.0: xorg-x11-server-21.1.15-160000.4.1 xorg-x11-server-Xvfb-21.1.15-160000.4.1 xorg-x11-server-extra-21.1.15-160000.4.1 xorg-x11-server-sdk-21.1.15-160000.4.1 xorg-x11-server-source-21.1.15-160000.4.1 xorg-x11-server-wrapper-21.1.15-160000.4.1 References: * https://www.suse.com/security/cve/CVE-2026-33999.html * https://www.suse.com/security/cve/CVE-2026-34000.html * https://www.suse.com/security/cve/CVE-2026-34001.html * https://www.suse.com/security/cve/CVE-2026-34002.html * https://www.suse.com/security/cve/CVE-2026-34003.html . openSUSE update for xorg-x11-server addresses 5 issues enhancing system security and stability.. openSUSE security update, xorg-x11-server vulnerabilities, important Linux patch. . LinuxSecurity.com Team

Apr 21, 2026 OpenSUSE