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ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: May 2022

On May 4, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed:

A vulnerability in CHM file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.

For a description of this vulnerability, see the ClamAV blog.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-dos-prVGcHLd

     
         
Security Impact Rating:  Medium
   
   
       
CVE: CVE-2022-20770
Source: ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: May 2022 (https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-dos-prVGcHLd?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=ClamAV%20CHM%20File%20Parsing%20Denial%20of%20Service%20Vulnerability%20Affecting%20Cisco%20Products:%20May%202022&vs_k=1)