PT-2025-26890 · Unknown · Pdf-Xchange Editor

Mat Powell · Published 2025-03-12 · Updated 2025-06-26 · CVE-2025-6646

Positive Technologies (AI Summary)

CVSS v3.1

3.3

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions: PDF-XChange Editor (affected versions not specified)

Description: This issue allows remote attackers to disclose sensitive information on affected installations. It requires user interaction, such as visiting a malicious page or opening a malicious file. The flaw exists within the parsing of U3D files due to the lack of validation of an object's existence before performing operations on it. This can be leveraged, in conjunction with other issues, to execute arbitrary code in the context of the current process.

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

BDU:2025-08148

CVE-2025-6646

ZDI-25-431

Affected Products

Pdf-Xchange Editor

References · 7

• https://zerodayinitiative.com/advisories/ZDI-25-431 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-6646 · Security Note
• https://bdu.fstec.ru/vul/2025-08148 · Security Note
• https://osv.dev/vulnerability/CVE-2025-6646 · Vendor Advisory
• https://pdf-xchange.com/support/security-bulletins.html · Vendor Advisory
• https://twitter.com/CVEnew/status/1937992239877403030 · Twitter Post
• https://t.me/cvetracker/27055 · Telegram Post