vulnerability
Ubuntu: (Multiple Advisories) (CVE-2025-20234): ClamAV vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Jun 18, 2025 | Jul 3, 2025 | Aug 18, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jun 18, 2025
Added
Jul 3, 2025
Modified
Aug 18, 2025
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 .
Solution
ubuntu-pro-upgrade-clamav
References
- CVE-2025-20234
- https://attackerkb.com/topics/CVE-2025-20234
- CWE-125
- UBUNTU-USN-7615-1
- UBUNTU-USN-7615-2
- URL-https://blog.clamav.net/2025/06/clamav-143-and-109-security-patch.html
- URL-https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-udf-hmwd9nDy
- URL-https://ubuntu.com/security/notices/USN-7615-1
- URL-https://www.cve.org/CVERecord?id=CVE-2025-20234
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