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Multiple vulnerabilities in ClamAV

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: HIGH

Software Affected

Secure Endpoint Connector for Linux.

Secure Endpoint Connector for Mac.

Secure Endpoint Connector for Windows.

Overview

Multiple vulnerabilities have been reported in ClamAV, which could allow a remote attacker to cause a denial of service (DoS) condition, interrupting scanning operations on the affected system.

Target Audience:

All end-user organizations and individuals using the affected Secure Endpoint Connector products.

Risk Assessment:

High risk of denial-of-service, interruption of malware-scanning operations, and memory corruption.

Impact Assessment:

Potential impact on confidentiality, integrity, and availability of the system.

Description

ClamAV is an open-source cross-platform antivirus software toolkit owned and maintained by Cisco.

Multiple vulnerabilities exist in ClamAV, due to improper boundary checking, memory handling, integer overflow, and improper processing of specially crafted file formats.

Successful exploitation of these vulnerabilities could allow a remote attacker to cause a denial of service (DoS) condition, interrupting scanning operations on an affected system.

Solution

Apply appropriate updates as mentioned by the vendor as and when available:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-WuuvVd26

Vendor Information

CISCO

https://www.cisco.com/

References

 

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-WuuvVd26

CVE Name

CVE-2026-20337

CVE-2026-20338

CVE-2026-20339

CVE-2026-20345

CVE-2026-20346

CVE-2026-20347

CVE-2026-20348

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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