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HIGHCVE-2026-5941Published Modified CNA Foxit

CVE-2026-5941: Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability

Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form field hierarchies, leading to invalid memory writes and program crashes during internal data structure construction.

Metrics

CVSS v3.1
7.8
Severity
HIGH
Fixed in
Affected Products
2
Affected packages
  • Foxit Software Inc. / Foxit PDF Editor
    Versions 2026.1 and earlier · Versions 14.0.3 and earlier
  • Foxit Software Inc. / Foxit PDF Reader
    Versions 2026.1 and earlier
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References