{"id":"CVE-2026-91804","published":"2026-09-23T08:17:12.477","lastModified":"2026-09-23T17:58:26.570","description":"A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes.","cvssScore":7.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwes":["CWE-787"],"vendors":[],"products":[],"references":[{"url":"https://www.foxit.com/support/security-bulletins.html","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}