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TI-2022-20622 Aliases CVE-2022-42416GHSA-7q4q-7g2f-4jp8

Out-of-bounds write in PDF-XChange Editor

Priority LOW 36CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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 TIF files. Crafted data in a TIF file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18673.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00456 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PDF-XChangePDF-XChange Editor9.4.363.0—No fix listedCNA
  • PDF-XChange Editor VendorPDF-XChange Affected 9.4.363.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:pdf-xchange:pdf-xchange_editor:*:*:*:*:*:*:*:*before 9.5.366.0VulnerablePDF-XChange
  • cpe:2.3:a:pdf-xchange:pdf-xchange_editor:*:*:*:*:*:*:*:* Versions before 9.5.366.0 Vulnerable ·PDF-XChange

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-42416
  2. 2026-10-03 Alias added: GHSA-7q4q-7g2f-4jp8

References

Advisory 2

  • TI-2022-20621 Out-of-bounds write in PDF-XChange Editor CVSS 3.1HIGH 7.8
  • TI-2025-00773 Out-of-bounds write in PDF-XChange Editor CVSS 3.1HIGH 8.8
  • TI-2025-00766 Heap-based buffer overflow in PDF-XChange Editor CVSS 3.1HIGH 8.8
  • TI-2025-00764 Out-of-bounds read in PDF-XChange Editor CVSS 3.1HIGH 8.8
  • TI-2025-00762 Use after free in PDF-XChange Editor CVSS 3.1HIGH 8.8
  • TI-2025-00774 Out-of-bounds read in PDF-XChange Editor CVSS 3.1HIGH 8.8
See all 287 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences