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 .
References
| Link | Resource |
|---|---|
| https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.html | Vendor Advisory |
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDy | Third Party Advisory |
Configurations
Configuration 1 (hide)
|
Configuration 2 (hide)
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History
11 Aug 2025, 18:24
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Clamav clamav
Cisco secure Endpoint Cisco secure Endpoint Private Cloud Clamav Cisco |
|
| CPE | cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:* cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* cpe:2.3:a:cisco:secure_endpoint_private_cloud:*:*:*:*:*:*:*:* cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* |
|
| References | () https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.html - Vendor Advisory | |
| References | () https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDy - Third Party Advisory |
23 Jun 2025, 20:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-06-18 17:15
Updated : 2025-08-11 18:24
NVD link : CVE-2025-20234
Mitre link : CVE-2025-20234
CVE.ORG link : CVE-2025-20234
JSON object : View
Products Affected
clamav
- clamav
cisco
- secure_endpoint
- secure_endpoint_private_cloud
CWE
CWE-125
Out-of-bounds Read