{"id":"CVE-2021-4214","details":"A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with local network access to pass a specially crafted PNG file to the pngimage utility, causing an application to crash, leading to a denial of service.","modified":"2026-08-07T11:31:19.427776556Z","published":"2022-08-24T16:15:10.037Z","database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"10.0"},{"last_affected":"10.0"},{"introduced":"11.0"},{"last_affected":"11.0"}]}]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2021-4214"},{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-4214"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20221020-0001/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2043393"},{"type":"EVIDENCE","url":"https://github.com/glennrp/libpng/issues/302"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pnggroup/libpng","events":[{"introduced":"c53778ff53a73ad2d676602f5dc7019566be5058"},{"last_affected":"c53778ff53a73ad2d676602f5dc7019566be5058"}],"database_specific":{"cpe":"cpe:2.3:a:libpng:libpng:1.6.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"1.6.0-NA"},{"last_affected":"1.6.0-NA"}],"source":"CPE_STRING"}}],"versions":["1.6.0-NA","v1.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4214.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}