{"id":"SUSE-SU-2026:2786-1","summary":"Security update for xorg-x11-server","details":"This update for xorg-x11-server fixes the following issues\n\n- CVE-2026-55999: missing bounds check in `glamor_font_get` can lead to a heap buffer overflow when a font loaded from\n  a malicious PCF file is processed (bsc#1268893).\n- CVE-2026-56000: improper memory management in `CommonMakeCurrent` can lead to a heap use-after-free when an\n  interaction with a malicious client creating GLX contexts happens (bsc#1268894).\n","modified":"2026-07-09T10:00:05.096710364Z","published":"2026-07-08T07:16:50Z","related":["CVE-2026-55999","CVE-2026-56000"],"upstream":["CVE-2026-55999","CVE-2026-56000"],"references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-20262786-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268893"},{"type":"REPORT","url":"https://bugzilla.suse.com/1268894"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-55999"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-56000"}],"affected":[{"package":{"name":"xorg-x11-server","ecosystem":"SUSE:Linux Enterprise Server 15 SP6-LTSS","purl":"pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1.11-150600.5.31.1"}]}],"ecosystem_specific":{"binaries":[{"xorg-x11-server-extra":"21.1.11-150600.5.31.1","xorg-x11-server-sdk":"21.1.11-150600.5.31.1","xorg-x11-server":"21.1.11-150600.5.31.1","xorg-x11-server-Xvfb":"21.1.11-150600.5.31.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2786-1.json"}},{"package":{"name":"xorg-x11-server","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 15 SP6","purl":"pkg:rpm/suse/xorg-x11-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1.11-150600.5.31.1"}]}],"ecosystem_specific":{"binaries":[{"xorg-x11-server":"21.1.11-150600.5.31.1","xorg-x11-server-Xvfb":"21.1.11-150600.5.31.1","xorg-x11-server-extra":"21.1.11-150600.5.31.1","xorg-x11-server-sdk":"21.1.11-150600.5.31.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:2786-1.json"}}],"schema_version":"1.7.5"}