{"id":"CVE-2020-27818","details":"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.","modified":"2026-04-11T12:34:13.051107Z","published":"2020-12-08T01:15:12.320Z","related":["openSUSE-SU-2020:2177-1","openSUSE-SU-2020:2198-1","openSUSE-SU-2020:2220-1","openSUSE-SU-2020:2227-1","openSUSE-SU-2024:11176-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"7.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"8.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"9.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"31"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"32"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"33"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"},{"extracted_events":[{"last_affected":"34"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"}]},"references":[{"type":"ADVISORY","url":"https://bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26"},{"type":"ADVISORY","url":"https://bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72"},{"type":"ADVISORY","url":"https://bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a"},{"type":"ADVISORY","url":"https://bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f"},{"type":"ADVISORY","url":"https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad"},{"type":"ADVISORY","url":"https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2022/05/msg00043.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1902011"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pnggroup/pngcheck","events":[{"introduced":"0"},{"last_affected":"5c1bdb452ee8bfdb6272d0bcc80193ae6e9bc449"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.4.0"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:libpng:pngcheck:2.4.0:*:*:*:*:*:*:*"}}],"versions":["v1.2","v1.5","v1.6","v1.7","v1.8","v1.92","v1.93","v1.94","v1.96","v1.97","v1.98","v1.99.2","v1.99.3","v2.0.0","v2.1.0","v2.2.0","v2.3.0","v2.4.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27818.json"}}],"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:L"}]}