{"id":"CVE-2026-91804","title":"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","summary":"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 geometr…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-787"],"vendor":"Foxit Software Inc.","product":"Foxit PDF Editor","affected":["foxit_pdf_editor Versions 2026.2 and earlier","foxit_pdf_editor Versions 14.0.7 and earlier","foxit_pdf_editor Versions 13.2.6 and earlier","foxit_pdf_reader Versions 2026.2 and earlier"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T17:58:26.570","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-91804","references":[{"url":"https://www.foxit.com/support/security-bulletins.html","label":"14984358-7092-470d-8f34-ade47a7658a2"}],"tags":["nvd","cve.org"],"epss":0.0017,"epssPercentile":0.0676,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-23T14:41:58.087529Z"},"ingestedAt":"2026-09-23T08:20:37.591Z","slug":"CVE-2026-91804","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}