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Vulnerabilities

Vulnerability · CVE-2025-6646

PDF-XChange Editor U3D File Parsing Use-After-Free Information Disclosure Vulnerability.

Published Jun 25, 2025 · catalog updated Jun 26, 2025 · PDF-XChange PDF-XChange Editor

Check this week

CVE-2025-6646 is not in CISA KEV. FIRST estimates a 26.00% chance of exploitation in the next 30 days. Check whether you run PDF-XChange PDF-XChange Editor.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low3.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
26.00%
Remediation
Advisory link
Affected products
vendor PDF-XChange PDF-XChange Editor 10.5.2.395

PDF-XChange Editor U3D File Parsing Use-After-Free 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 U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to e

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor PDF-XChange PDF-XChange Editor 10.5.2.39510.5.2.395

How to fix CVE-2025-6646

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-6646 is not in CISA KEV. FIRST estimates a 26.00% chance of exploitation in the next 30 days. Check whether you run PDF-XChange PDF-XChange Editor.

Which versions are affected?

Compare what you have installed with PDF-XChange PDF-XChange Editor 10.5.2.395 10.5.2.395. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 26.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 25, 2025 · EUVD

    Detected

    PDF-XChange Editor U3D File Parsing Use-After-Free 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 U3D fi

  2. Jun 26, 2025 · EUVD

    Updated

    PDF-XChange Editor U3D File Parsing Use-After-Free 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 U3D fi

Sources

  • CVE.orgVulnerability recordCVE-2025-6646

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-19148

    PDF-XChange Editor U3D File Parsing Use-After-Free 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 tha

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Jun 26, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.