ZDI-25-417: Clam AntiVirus UDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Published Jun 23, 2025
·
Updated

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Clam AntiVirus. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 6.1. The following CVEs are assigned: CVE-2025-20234.

Affected Software

1 affected component
clamav Clam AntiVirus

Event History

Jun 23, 2025
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
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Frequently Asked Questions

1

What is the severity of ZDI-25-417?

ZDI-25-417 is ranked with a CVSS score that indicates a moderate severity level due to its potential to disclose sensitive information.

2

How do I fix ZDI-25-417?

To fix ZDI-25-417, ensure that you update your Clam AntiVirus to the latest version provided by the vendor.

3

What software is affected by ZDI-25-417?

ZDI-25-417 specifically affects Clam AntiVirus installations.

4

Can ZDI-25-417 be exploited remotely?

Yes, ZDI-25-417 can be exploited remotely, but it requires user interaction with a malicious page or file.

5

What type of vulnerability is ZDI-25-417?

ZDI-25-417 is a vulnerability that allows for the disclosure of sensitive information.

Contact

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