A flaw was found in ImageMagick in coders/webp.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability.
{
"sources": [
{
"database_specific": {
"status": "Modified"
},
"id": "CVE-2021-20245",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20245",
"published": "2021-03-09T19:15:12.500Z",
"imported": "2026-07-30T14:08:42.852Z",
"modified": "2026-06-17T03:33:32.327Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-20245"
}
],
"license": "CC-BY-4.0"
}