openSUSE: 2021:4136-2 important: xorg-x11-server
Description
This update for xorg-x11-server fixes the following issues: - CVE-2021-4009: The handler for the CreatePointerBarrier request of the XFixes extension does not properly validate the request length leading to out of bounds memory write. (bsc#1190487) - CVE-2021-4010: The handler for the Suspend request of the Screen Saver extension does not properly validate the request length leading to out of bounds memory write. (bsc#1190488) - CVE-2021-4011: The handlers for the RecordCreateContext and RecordRegisterClients requests of the Record extension do not properly validate the request length leading to out of bounds memory write. (bsc#1190489)
Patch
Patch Instructions: To install 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 15.4: zypper in -t patch openSUSE-SLE-15.4-2022-465=1
Package List
- openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64): xorg-x11-server-wayland-1.20.3-22.5.42.1 xorg-x11-server-wayland-debuginfo-1.20.3-22.5.42.1
References
https://www.suse.com/security/cve/CVE-2021-4009.html https://www.suse.com/security/cve/CVE-2021-4010.html https://www.suse.com/security/cve/CVE-2021-4011.html https://bugzilla.suse.com/1190487 https://bugzilla.suse.com/1190488 https://bugzilla.suse.com/1190489