{"cve":"CVE-2020-17538","nvd":{"published":"2020-08-13T03:15:14.493","modified":"2026-06-17T02:59:06.350","status":"Modified","description":"A buffer overflow vulnerability in GetNumSameData() in contrib/lips4/gdevlips.c of Artifex Software GhostScript from v9.18 to v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-787"],"references":["https://bugs.ghostscript.com/show_bug.cgi?id=701792","https://cgit.ghostscript.com/cgi-bin/cgit.cgi/ghostpdl.git/tree/contrib/lips4/gdevlips.c?h=ghostscript-9.18#n148","https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=9f39ed4a92578a020ae10459643e1fe72573d134","https://lists.debian.org/debian-lts-announce/2020/08/msg00032.html","https://security.gentoo.org/glsa/202008-20"],"products":["artifex:ghostscript","canonical:ubuntu_linux","debian:debian_linux"],"source":"nvd","synced_at":"2026-10-19T21:09:20.498348299+00:00"},"epss":{"cve":"CVE-2020-17538","score":0.01931,"percentile":0.80015,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}