{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "10.0"
              }
            ]
          },
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "11.0"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.6.0-NA"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "c53778ff53a73ad2d676602f5dc7019566be5058"
            }
          ],
          "repo": "https://github.com/pnggroup/libpng",
          "type": "GIT"
        }
      ]
    }
  ],
  "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.",
  "id": "CVE-2021-4214",
  "modified": "2026-04-01T23:08:23.358275927Z",
  "published": "2022-08-24T16:15:10.037Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2021-4214"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20221020-0001/"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2021-4214"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2043393"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/glennrp/libpng/issues/302"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}