{"cve":"CVE-2021-4214","nvd":{"published":"2022-08-24T16:15:10.037","modified":"2026-06-17T04:19:14.017","status":"Modified","description":"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.","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-120","CWE-787"],"references":["https://access.redhat.com/security/cve/CVE-2021-4214","https://bugzilla.redhat.com/show_bug.cgi?id=2043393","https://github.com/glennrp/libpng/issues/302","https://security-tracker.debian.org/tracker/CVE-2021-4214","https://security.netapp.com/advisory/ntap-20221020-0001/"],"products":["debian:debian_linux","libpng:libpng","netapp:ontap_select_deploy_administration_utility"],"source":"nvd","synced_at":"2026-10-19T21:34:18.502168378+00:00"},"epss":{"cve":"CVE-2021-4214","score":0.00542,"percentile":0.45598,"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."]}