{"id":"CVE-2020-16293","details":"A null pointer dereference vulnerability in compose_group_nonknockout_nonblend_isolated_allmask_common() in base/gxblend.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.","modified":"2026-04-16T04:38:17.404233856Z","published":"2020-08-13T03:15:13.133Z","related":["ALSA-2021:1852"],"references":[{"type":"WEB","url":"https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=7870f4951bcc6a153f317e3439e14d0e929fd231"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202008-20"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4469-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4748"},{"type":"REPORT","url":"https://bugs.ghostscript.com/show_bug.cgi?id=701795"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-16293.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"9.52"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"20.04"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}