PT-2026-35403 · Foxit · Foxit Pdf Reader+1

Published 2026-04-27 · Updated 2026-04-27 · CVE-2026-5941

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Foxit PDF Reader (affected versions not specified) Foxit PDF Editor (affected versions not specified)

Description Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form field hierarchies. This issue leads to invalid memory writes, memory corruption, and program crashes during internal data structure construction, which may allow a remote attacker to execute arbitrary code.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2026-06113

CVE-2026-5941

ZDI-26-302

Affected Products

Foxit Pdf Editor

Foxit Pdf Reader

References · 7

• https://zerodayinitiative.com/advisories/ZDI-26-302 · Security Note
• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-06113 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-5941 · Security Note
• https://twitter.com/CVEnew/status/2048852199623495994 · Twitter Post
• https://t.me/CVEtracker/51934 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2048765882315284933 · Twitter Post