What’s Vulnerable › Vulnerabilities

CVE-2022-42396

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-01-26 · updated 2026-06-17
• Weakness: CWE-822

Description

This vulnerability allows remote attackers to execute arbitrary code 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 XPS files. The issue results from the lack of proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18278.

Affected products

• PDF-XChange Editor: before 9.5.366.0 — fixed in 9.5.366.0

How to fix

Upgrade to a fixed version: PDF-XChange Editor 9.5.366.0. Check the vendor advisory for mitigations.

References

• https://www.tracker-software.com/product/pdf-xchange-editor/history
• https://www.zerodayinitiative.com/advisories/ZDI-22-1332/
• https://www.tracker-software.com/product/pdf-xchange-editor/history
• https://www.zerodayinitiative.com/advisories/ZDI-22-1332/

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