{"id":"CVE-2026-91817","aliases":["EUVD-2026-85157","GHSA-pg53-55p8-5cr6"],"status":"published","title":"Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability","description":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00153,"percentile":0.04447,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-09-23T07:49:15Z","modified":"2026-10-01T20:23:59Z","products":[{"vendor":"foxit","product":"pdf_editor"},{"vendor":"foxit","product":"pdf_reader"},{"vendor":"foxit software inc.","product":"foxit pdf editor"},{"vendor":"foxit software inc.","product":"foxit pdf reader"}],"references":[{"url":"https://www.foxit.com/support/security-bulletins.html","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-91817"},{"url":"https://github.com/advisories/GHSA-pg53-55p8-5cr6"}],"sources":{"cve":[{"id":"CVE-2026-91817","title":"Foxit PDF Editor/Reader AcroForm Out-of-Bounds Read Remote Code Execution Vulnerability","description":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.","status":"published","published":"2026-09-23T07:49:15.176Z","modified":"2026-09-23T14:22:36.779Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:19:53.115938Z"}],"euvd":[{"id":"EUVD-2026-85157","description":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.","status":"published","published":"2026-09-23T07:49:15Z","modified":"2026-09-23T14:22:36Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:28:00.949397Z"}],"ghsa":[{"id":"GHSA-pg53-55p8-5cr6","title":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of...","description":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.","status":"published","published":"2026-09-23T09:30:30Z","modified":"2026-09-23T09:30:37Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:12:19.869437Z"}],"nvd":[{"id":"CVE-2026-91817","description":"A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of wide strings in embedded PDF JavaScript. Insufficient validation of string-deletion ranges can cause an integer underflow, resulting in an out-of-bounds read and application crash.","status":"published","published":"2026-09-23T08:17:14.01Z","modified":"2026-10-01T20:23:59.847Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:50.703874Z"}]}}