{"cve":"CVE-2020-27818","nvd":{"published":"2020-12-08T01:15:12.320","modified":"2026-06-17T03:09:40.700","status":"Modified","description":"A flaw was found in the check_chunk_name() function of pngcheck-2.4.0. An attacker able to pass a malicious file to be processed by pngcheck could cause a temporary denial of service, posing a low risk to application 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:L","score":3.3},"cwes":["CWE-125","CWE-120"],"references":["https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26","https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72","https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a","https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f","https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad"],"products":["debian:debian_linux","fedoraproject:extra_packages_for_enterprise_linux","fedoraproject:fedora","libpng:pngcheck"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-27818","score":0.01218,"percentile":0.6864,"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."]}