{"id":"CLSA-2026-1784295645","summary":"xorg-x11-server-Xwayland: Fix of CVE-2026-55999","details":"- CVE-2026-55999: reject fonts with per-glyph metrics exceeding maxbounds in glamor_font_get() to prevent heap buffer overflow in the glamor font atlas","modified":"2026-10-26T09:30:13.295279817Z","published":"2026-07-17T13:41:08Z","upstream":["CVE-2026-55999"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1784295645.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55999"}],"affected":[{"package":{"name":"xorg-x11-server-Xwayland","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/xorg-x11-server-Xwayland?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1.3-7.el9.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1784295645.json"}},{"package":{"name":"xorg-x11-server-Xwayland-devel","ecosystem":"TuxCare:AlmaLinux:9.2","purl":"pkg:rpm/tuxcare/xorg-x11-server-Xwayland-devel?distro=almalinux-9.2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"21.1.3-7.el9.tuxcare.els17"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1784295645.json"}}],"schema_version":"1.9.0"}