{"id":"CVE-2021-4214","aliases":["DEBIAN-CVE-2021-4214","EUVD-2021-34072","GHSA-v3c8-fhq3-xvvh"],"status":"published","title":"A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with...","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.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00542,"percentile":0.46037,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120","CWE-787"],"published":"2022-08-24T00:00:00Z","modified":"2026-10-24T10:50:43Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"libpng1.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.39-2","1.6.39-2+deb12u1","1.6.39-2+deb12u2","1.6.39-2+deb12u3","1.6.39-2+deb12u4","1.6.39-2+deb12u5","1.6.39-2+deb12u6","1.6.40-1","1.6.40-2","1.6.40-3","1.6.41-1","1.6.42-1","1.6.42-1.1~exp1","1.6.43-1","1.6.43-1exp1","1.6.43-2","1.6.43-3","1.6.43-4","1.6.43-5","1.6.44-1","1.6.44-2","1.6.44-3","1.6.45-1","1.6.46-1","1.6.46-2","1.6.46-3","1.6.46-4","1.6.47-1","1.6.47-1.1","1.6.48-1","1.6.49-1~exp1","1.6.50-1","1.6.50-1~exp1","1.6.51-1","1.6.52-1","1.6.53-1","1.6.54-1","1.6.55-1","1.6.56-1","1.6.57-1","1.6.58-1","1.6.59-1"]},{"source":"osv","ecosystem":"Debian:13","package":"libpng1.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.48-1","1.6.48-1+deb13u1","1.6.48-1+deb13u2","1.6.48-1+deb13u3","1.6.48-1+deb13u4","1.6.48-1+deb13u5","1.6.48-1+deb13u6","1.6.49-1~exp1","1.6.50-1","1.6.50-1~exp1","1.6.51-1","1.6.52-1","1.6.53-1","1.6.54-1","1.6.55-1","1.6.56-1","1.6.57-1","1.6.58-1","1.6.59-1"]},{"source":"osv","ecosystem":"Debian:14","package":"libpng1.6","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.48-1","1.6.49-1~exp1","1.6.50-1","1.6.50-1~exp1","1.6.51-1","1.6.52-1","1.6.53-1","1.6.54-1","1.6.55-1","1.6.56-1","1.6.57-1","1.6.58-1","1.6.59-1"]}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"libpng","product":"libpng"},{"vendor":"netapp","product":"ontap_select_deploy_administration_utility"},{"vendor":"pnggroup","product":"libpng"}],"references":[{"url":"https://github.com/glennrp/libpng/issues/302","tags":["x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2043393","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-4214","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-4214","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20221020-0001/","tags":["x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4214"},{"url":"https://github.com/advisories/GHSA-v3c8-fhq3-xvvh"}],"sources":{"cve":[{"id":"CVE-2021-4214","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.","status":"published","published":"2022-08-24T00:00:00Z","modified":"2024-08-03T17:16:04.244Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2021-34072","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.","status":"published","published":"2022-08-24T00:00:00Z","modified":"2024-08-03T17:16:04Z","updated_at":"2026-11-03T03:25:10.418596Z"}],"ghsa":[{"id":"GHSA-v3c8-fhq3-xvvh","title":"A heap overflow flaw was found in libpngs' pngimage.c program. This flaw allows an attacker with...","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.","status":"published","published":"2022-08-25T00:00:27Z","modified":"2023-02-02T05:08:43Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-120","CWE-787"],"updated_at":"2026-11-02T14:52:45.777625Z"}],"nvd":[{"id":"CVE-2021-4214","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.","status":"published","published":"2022-08-24T16:15:10.037Z","modified":"2026-06-17T04:19:14.017Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-120","CWE-787"],"updated_at":"2026-11-02T14:07:06.906968Z"}],"osv":[{"id":"CVE-2021-4214","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.","status":"published","published":"2022-08-24T16:15:10.037Z","modified":"2026-10-24T10:50:43.007673765Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"DEBIAN-CVE-2021-4214","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.","status":"published","published":"2022-08-24T16:15:10.037Z","modified":"2026-10-23T18:00:20.556958614Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:35.799676Z"}]}}