Null Pointer Dereference in PDF Application by Foxit
CVE-2026-3776

5.5MEDIUM

Key Information:

Vendor

Foxit Inc.

Status
Foxit PDF Editor
Foxit
Vendor
CVE Published:
1 April 2026

What is CVE-2026-3776?

A vulnerability exists in Foxit PDF Reader where the absence of required appearance (AP) data in stamp annotations allows a specially crafted PDF document to trigger a null pointer dereference. This results in application crashes and denial of service, as the software does not perform adequate checks before accessing potentially unreliable data. Users may experience unexpected behavior or service interruptions when opening vulnerable PDF files.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

Foxit PDF Editor Windows Versions 2025.3 and earlier

Foxit PDF Editor Windows Versions 14.0.2 and earlier

Foxit PDF Editor Windows Versions 13.2.2 and earlier

References

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

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
.