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CVE-2023-42046: PDF-XChange Editor J2K File Parsing Uninitialized Variable Information Disclosure Vulnerability

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-06-17
• Weakness: CWE-457

Description

PDF-XChange Editor J2K File Parsing Uninitialized Variable Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of J2K files. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-20907.

Affected products

• PDF-XChange Pdf-Tools: 10.0.1.371
• PDF-XChange Editor: 10.0.1.371

References

• https://www.tracker-software.com/support/security-bulletins.html
• https://www.zerodayinitiative.com/advisories/ZDI-23-1353/
• https://www.tracker-software.com/support/security-bulletins.html
• https://www.zerodayinitiative.com/advisories/ZDI-23-1353/

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