{"id":"openSUSE-SU-2026:21283-1","summary":"Security update for xwayland","details":"This update for xwayland 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":"2026-07-13T18:24:21.195925085Z","published":"2026-07-10T08:45:38Z","related":["CVE-2026-55999","CVE-2026-56000"],"upstream":["CVE-2026-55999","CVE-2026-56000"],"references":[{"type":"ADVISORY"},{"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":"xwayland","ecosystem":"openSUSE:Leap 16.0","purl":"pkg:rpm/opensuse/xwayland&distro=openSUSE%20Leap%2016.0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"24.1.6-160000.6.1"}]}],"ecosystem_specific":{"binaries":[{"xwayland-devel":"24.1.6-160000.6.1","xwayland":"24.1.6-160000.6.1"}]},"database_specific":{"source":"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21283-1.json"}}],"schema_version":"1.7.5"}