CVE-2025-20234
Severity
7.5HIGH
EPSS
0.3%
top 49.15%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJun 18
Latest updateJul 7
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 …
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4
Affected Packages6 packages
🔴Vulnerability Details
5OSV▶
CVE-2025-20234: A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS)↗2025-06-18
GHSA▶
GHSA-xwph-f2wp-xxgp: A vulnerability in Universal Disk Format (UDF) processing of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS)↗2025-06-18