Severity
7.5HIGH
EPSS
1.6%
top 18.42%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 22
Latest updateJan 27

Description

A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine 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 an integer underflow in a bounds check that allows for a heap buffer overflow read. An attacker could exploit this vulnerability by submitting a crafted file containing OLE2 content to be scanned by ClamAV on an affected device. A successful exploit could allow th

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 Packages5 packages

NVDclamav/clamav1.0.01.0.8+1
Debianclamav< 1.0.9+dfsg-1~deb11u1+3
NVDcisco/secure_endpoint8.0.1.211608.4.3+3
CVEListV5cisco/cisco_secure_endpoint55 versions+54

🔴Vulnerability Details

3
CVEList
ClamAV OLE2 File Format Decryption Denial of Service Vulnerability2025-01-22
OSV
CVE-2025-20128: A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine of ClamAV could allow an unauthenticated, remote attacker to cause a d2025-01-22
GHSA
GHSA-6j5q-p9xp-3cc6: A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine of ClamAV could allow an unauthenticated, remote attacker to cause a d2025-01-22

📋Vendor Advisories

3
Ubuntu
ClamAV vulnerability2025-01-27
Cisco
ClamAV OLE2 File Format Decryption Denial of Service Vulnerability2025-01-22
Debian
CVE-2025-20128: clamav - A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine ...2025

🕵️Threat Intelligence

1
Bleepingcomputer
Cisco warns of denial of service flaw with PoC exploit code2025-01-22
CVE-2025-20128 (HIGH CVSS 7.5) | A vulnerability in the Object Linki | cvebase.io