{"id":"CLSA-2026-1792791669","summary":"xorg-x11-server-Xwayland: Fix of 8 CVEs","details":"- CVE-2026-88812: Use-after-free/double free in XKB _CheckSetDoodad:\n  doodad text pointer left dangling after free when reading the font\n  string fails\n- CVE-2026-93516: Use-after-free in DIX: passive grabs keep dangling\n  pointers to a removed input device (grab-\u003edevice / modifierDevice)\n- CVE-2026-93517: Out-of-bounds read in GLX RenderLarge: dataBytes of\n  the first request not validated against the request length\n- CVE-2026-93518: Heap buffer overflow in XKB key resize: 16-bit\n  size_syms/num_syms/size_acts/num_acts truncate computed sizes,\n  undersizing allocations\n- CVE-2026-93519: Out-of-bounds write in XInput barrier handling:\n  input_constrain_cursor writes barrier events without a bounds check\n- CVE-2026-93521: Heap memory corruption in RandR\n  RRChangeProviderProperty PrependMode due to wrong size and offset when\n  shifting old data\n- CVE-2026-93522: Heap buffer overflow in glamor_upload_boxes: tmp_bits\n  sized from pixmap height, not the source coordinate range\n- CVE-2026-93523: Out-of-bounds access in XInput\n  ProcXIPassiveUngrabDevice: client-supplied modifier values are not\n  validated","modified":"2026-10-26T09:31:37.102994719Z","published":"2026-10-23T21:41:29Z","upstream":["CVE-2026-88812","CVE-2026-93516","CVE-2026-93517","CVE-2026-93518","CVE-2026-93519","CVE-2026-93521","CVE-2026-93522","CVE-2026-93523"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1792791669.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88812"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93516"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93517"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93518"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93519"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93521"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93522"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93523"}],"affected":[{"package":{"name":"xorg-x11-server-Xwayland","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/xorg-x11-server-Xwayland?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"23.2.7-5.el9_6.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792791669.json"}},{"package":{"name":"xorg-x11-server-Xwayland-devel","ecosystem":"TuxCare:AlmaLinux:9.6","purl":"pkg:rpm/tuxcare/xorg-x11-server-Xwayland-devel?distro=almalinux-9.6"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"23.2.7-5.el9_6.tuxcare.els5"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1792791669.json"}}],"schema_version":"1.9.0"}