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

CVE-2026-5941

Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Foxit Software Inc. / Foxit PDF Editor	affected Versions 2026.1 and earlier; affected Versions 14.0.3 and earlier
Foxit Software Inc. / Foxit PDF Reader	affected Versions 2026.1 and earlier

CWE

CWE-20

References

https://www.foxit.com/support/security-bulletins.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.