CVE-2026-57246

Foxit PDF Editor/Reader Signature Buffer Overflow Vulnerability

State: Published
Severity: 7.8 High
Published: Jul 8, 2026
Updated: Jul 8, 2026
Reserved: Jun 24, 2026

Description

When dealing with abnormally constructed objects, there is a lack of argument validation; JavaScript triggers signature verification, but the signature plugin does not perform validation when copying the abnormal string, causing the application to crash.

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	Foxit

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input (CWE-120)

Affected Products

Product	Versions
Foxit PDF EditorFoxit Software Inc.	Versions 2026.1.1 and earlierAffected Versions 14.0.4 and earlierAffected Versions 13.2.4 and earlierAffected
Foxit PDF ReaderFoxit Software Inc.	Versions 2026.1.1 and earlierAffected

References

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

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