CVE-2026-3776

Null pointer dereference in Foxit PDF Editor/Reader when accessing stamp annotation

State: Published
Severity: 5.5 Medium
Published: Apr 1, 2026
Updated: Apr 2, 2026
Reserved: Mar 8, 2026

Description

The application does not validate the presence of required appearance (AP) data before accessing stamp annotation resources. When a PDF contains a stamp annotation missing its AP entry, the code continues to dereference the associated object without a prior null or validity check, which allows a crafted document to trigger a null pointer dereference and crash the application, resulting in denial of service.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	Foxit

Weaknesses

CWE-476 NULL pointer dereference

Affected Products

Product	Versions
Foxit PDF EditorFoxit Software Inc.	Versions 2025.3 and earlierAffected Versions 14.0.2 and earlierAffected Versions 13.2.2 and earlierAffected
Foxit PDF ReaderFoxit Software Inc.	Versions 2025.3 and earlierAffected

References

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

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