🛡️ CVE-2025-20128
🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-122 NVD
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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 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 . Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE CWE-122
Public Exploit ✅ No
Source NVD
Published 2025-01-22
Updated 2026-06-02
Modified 2025-11-03
Fix URL N/A

Affected Packages

Software From version Fixed in
clamav 1.1.0 1.4.2
secure-endpoint 8.0.1.21160 8.4.3
secure-endpoint-private-cloud — 4.2.0

Similar Threats

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