{"id":"CVE-2018-15864","details":"Unchecked NULL pointer usage in resolve_keysym in xkbcomp/parser.y in xkbcommon before 0.8.2 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file, because a map access attempt can occur for a map that was never created.","modified":"2026-05-17T11:54:16.060883086Z","published":"2018-08-25T21:29:02.593Z","related":["SUSE-SU-2018:3685-1","SUSE-SU-2024:0037-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*"],"vendor_product":"canonical:ubuntu_linux","source":"CPE_FIELD","extracted_events":[{"last_affected":"14.04"},{"last_affected":"16.04"},{"last_affected":"18.04"}]},{"cpes":["cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*"],"vendor_product":"xkbcommon:xkbcommon","source":"CPE_FIELD","extracted_events":[{"last_affected":"0.8.1"}]}]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2079"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201810-05"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3786-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3786-2/"},{"type":"FIX","url":"https://github.com/xkbcommon/libxkbcommon/commit/a8ea7a1d3daa7bdcb877615ae0a252c189153bd2"},{"type":"FIX","url":"https://lists.freedesktop.org/archives/wayland-devel/2018-August/039243.html"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}