PT-2026-35401 · Foxit · Foxit Pdf Reader+1

Haein Lee · Published 2026-04-27 · Updated 2026-04-27 · CVE-2026-5939

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 Foxit PDF Editor/Reader (affected versions not specified)

Description A crafted XFA PDF can trigger a use-after-free condition during calculate event processing. This condition, which occurs when an application continues to use a pointer after it has been freed, can cause the application to crash and lead to arbitrary code execution.

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

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-5939

Affected Products

Foxit Pdf Editor

Foxit Pdf Reader

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-5939 · Security Note
• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://t.me/CVEtracker/51932 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2048771001836503511 · Twitter Post
• https://twitter.com/CVEnew/status/2048852197882855517 · Twitter Post