CVE-2025-20128
ClamAV OLE2 File Format Decryption Denial of Service Vulnerability
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.
Weakness: CWE-122
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Secure Endpoint | Endpoint / EDR | cna-assigner |
Vendor-reported products (1)
- Cisco · Cisco Secure Endpoint
Vendor advisory
ClamAV OLE2 File Format Decryption Denial of Service Vulnerability
Cisco’s rating: Medium (advisory CVSS 5.3) · Published Jan 22, 2025
Bug IDs: CSCwm89778 , CSCwm89779 , CSCwm89781 , CSCwm91582
The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from