PT-2026-29436 · Foxitsoftware+1 · Foxit Pdf Editor+4

Suyue Guo · Published 2026-04-01 · Updated 2026-04-01 · CVE-2026-3776

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions The product name cannot be determined. (affected versions not specified)

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 can trigger a null pointer dereference and crash the application, resulting in denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-3776

Affected Products

Foxit Pdf Editor

Foxit Pdf Reader

Foxit Reader

Pdf Editor

Pdf Reader

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-3776 · Security Note
• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://twitter.com/CVEnew/status/2039279685507682641 · Twitter Post
• https://twitter.com/CVEarity/status/2039293268832539126 · Twitter Post