{"cve":"CVE-2021-20176","nvd":{"published":"2021-02-06T00:15:12.920","modified":"2026-06-17T03:33:25.243","status":"Modified","description":"A divide-by-zero flaw was found in ImageMagick 6.9.11-57 and 7.0.10-57 in gem.c. This flaw allows an attacker who submits a crafted file that is processed by ImageMagick to trigger undefined behavior through a division by zero. The highest threat from this vulnerability is to system availability.","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-369"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1916610","https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html","https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html","https://bugzilla.redhat.com/show_bug.cgi?id=1916610","https://lists.debian.org/debian-lts-announce/2021/03/msg00030.html"],"products":["debian:debian_linux","imagemagick:imagemagick"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-20176","score":0.00936,"percentile":0.60828,"date":"2026-10-31"},"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."]}