PT-2023-7968 · Foxit · Foxit Pdf Reader+1

Published 2023-08-29 · Updated 2025-08-13 · CVE-2023-51552

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 This issue allows remote attackers to execute arbitrary code on affected installations. User interaction is required, where the target must visit a malicious page or open a malicious file. The flaw exists within the handling of Signature objects due to the lack of validating the existence of an object prior to performing operations on it. An attacker can leverage this to execute code in the context of the current process.

Recommendations For Foxit PDF Reader, update to a version that addresses the use-after-free vulnerability in AcroForm Signature handling. For Foxit PDF Editor, update to a version that addresses the use-after-free vulnerability in AcroForm Signature handling. As a temporary workaround, consider disabling the handling of Signature objects in both Foxit PDF Reader and Foxit PDF Editor until a patch is available.

Fix

RCE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2023-09052

CVE-2023-51552

ZDI-23-1865

Affected Products

Foxit Pdf Editor

Foxit Pdf Reader

References · 8

• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-23-1865 · Security Note
• https://osv.dev/vulnerability/CVE-2023-51552 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-09052 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-51552 · Security Note
• https://t.me/cveNotify/132080 · Telegram Post
• https://twitter.com/CVEnew/status/1786408577906692331 · Twitter Post
• https://twitter.com/RedPacketSec/status/1737776244576370921 · Twitter Post