CVE-2025-20234 — ClamAV UDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
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 d…
Published: 2025-06-18 · CVSS: 5.3 · CVSS 3.1
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 .
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7