{"id":"openSUSE-SU-2021:4136-1","summary":"Security update for xorg-x11-server","details":"This update for xorg-x11-server fixes the following issues:\n\n- CVE-2021-4009: The handler for the CreatePointerBarrier request of the XFixes \n  extension does not properly validate the request length leading to out of \n  bounds memory write. (bsc#1190487)\n- CVE-2021-4010: The handler for the Suspend request of the Screen Saver extension\n  does not properly validate the request length leading to out of\n  bounds memory write. (bsc#1190488)\n- CVE-2021-4011: The handlers for the RecordCreateContext and RecordRegisterClients\n  requests of the Record extension do not properly validate the request\n  length leading to out of bounds memory write. (bsc#1190489)\n","modified":"2026-03-11T07:33:22.439057Z","published":"2021-12-21T14:34:03Z","related":["CVE-2021-4009","CVE-2021-4010","CVE-2021-4011"],"upstream":["CVE-2021-4009","CVE-2021-4010","CVE-2021-4011"],"references":[{"type":"ADVISORY","url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/UZYVYA6ZP6W2WXZYY7EDCELC7CJ7FSVU/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1190487"},{"type":"REPORT","url":"https://bugzilla.suse.com/1190488"},{"type":"REPORT","url":"https://bugzilla.suse.com/1190489"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-4009"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-4010"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2021-4011"}],"affected":[{"package":{"name":"xorg-x11-server","ecosystem":"openSUSE:Leap 15.3","purl":"pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2015.3"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.3-22.5.42.1"}]}],"ecosystem_specific":{"binaries":[{"xorg-x11-server-extra":"1.20.3-22.5.42.1","xorg-x11-server-sdk":"1.20.3-22.5.42.1","xorg-x11-server-source":"1.20.3-22.5.42.1","xorg-x11-server-wayland":"1.20.3-22.5.42.1","xorg-x11-server":"1.20.3-22.5.42.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:4136-1.json"}}],"schema_version":"1.7.5"}