{"schemaVersion":3,"id":"CVE-2026-91791","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"When processing a specially crafted PDF file, Foxit PDF Editor/Reader may encounter a reentrant execution condition involving JavaScript triggered by page-visibility events. 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Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","type":"weakness","status":"Stable","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/416.html"}],"affected":[{"vendor":"foxit software inc.","product":"foxit pdf editor","name":"Foxit PDF Editor","label":"foxit pdf editor","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Versions 2026.2 and earlier","noFixRecorded":false,"fixedIn":null},{"text":"Versions 14.0.7 and earlier","noFixRecorded":false,"fixedIn":null},{"text":"Versions 13.2.6 and earlier","noFixRecorded":false,"fixedIn":null}],"versionsText":"Versions 2026.2 and earlier | Versions 14.0.7 and earlier | Versions 13.2.6 and earlier","eol":null,"hubHref":"/vendor/foxit_software_inc/foxit_pdf_editor"},{"vendor":"foxit software inc.","product":"foxit pdf reader","name":"Foxit PDF Reader","label":"foxit pdf reader","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"Versions 2026.2 and earlier","noFixRecorded":false,"fixedIn":null}],"versionsText":"Versions 2026.2 and earlier","eol":null,"hubHref":"/vendor/foxit_software_inc/foxit_pdf_reader"},{"vendor":"foxit","product":"pdf_editor","name":"pdf editor","label":"pdf_editor","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 13.2.5.63482","noFixRecorded":false,"fixedIn":null},{"text":"≥ 14.0.0.33046, ≤ 14.0.7.33751","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2023.1.0.15510, ≤ 2023.3.0.23028","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2024.1.0.23997, ≤ 2024.4.1.27687","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2025.1.0.27937, ≤ 2025.3.0.35737","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2026.1.0.36452, ≤ 2026.2.0.39747","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 13.2.5.63482 | ≥ 14.0.0.33046, ≤ 14.0.7.33751 | ≥ 2023.1.0.15510, ≤ 2023.3.0.23028 | ≥ 2024.1.0.23997, ≤ 2024.4.1.27687 | ≥ 2025.1.0.27937, ≤ 2025.3.0.35737 | ≥ 2026.1.0.36452, ≤ 2026.2.0.39747","eol":null,"hubHref":"/vendor/foxit/pdf_editor"},{"vendor":"foxit","product":"pdf_reader","name":"pdf reader","label":"pdf_reader","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 2026.2.0.39747","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 2026.2.0.39747","eol":null,"hubHref":"/vendor/foxit/pdf_reader"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.foxit.com/support/security-bulletins.html","label":"www.foxit.com/support/security-bulletins.html","hostname":"www.foxit.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-23T07:51:25.991Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-23T14:47:49.974Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":31,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T22:26:54.082Z","stale":false,"partial":false}}