CVE-2025-20234

ClamAV UDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Severity
Medium 5.3
CVSS 3.1
Exploited
Not listed
EPSS
0.007
49.5th percentile
Discovered by
Third party
Published by the vendor
Published
Jun 18, 2025
Assigned by cisco

Description

A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to a memory overread during UDF file scanning. An attacker could exploit this vulnerability by submitting a crafted file containing UDF content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software. For a description of this vulnerability, see the .

Weakness: CWE-125

Affected products

Vendor Product Category Matched by
Cisco Cisco Secure Endpoint Endpoint / EDR cna-assigner
Vendor-reported affected versions (1)
  • Cisco · Cisco Secure Endpoint