Advisory Published

USN-6636-1: ClamAV vulnerabilities

First published: Wed Feb 14 2024(Updated: )

It was discovered that ClamAV incorrectly handled parsing certain OLE2 files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. (CVE-2024-20290) Amit Schendel discovered that the ClamAV ClamD service incorrectly handled the VirusEvent feature. An attacker able to connect to ClamD could possibly use this issue to execute arbitrary code. (CVE-2024-20328)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/clamav<1.0.5+dfsg-0ubuntu0.23.10.1
1.0.5+dfsg-0ubuntu0.23.10.1
Ubuntu=23.10

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-6636-1?

    The severity of USN-6636-1 is considered high as it allows for a denial of service through remote exploitation.

  • How do I fix USN-6636-1?

    To fix USN-6636-1, update ClamAV to version 1.0.5+dfsg-0ubuntu0.23.10.1 or later.

  • What does USN-6636-1 affect?

    USN-6636-1 affects the ClamAV antivirus software running on Ubuntu 23.10.

  • Can USN-6636-1 lead to data leakage?

    No, USN-6636-1 primarily leads to a denial of service rather than data leakage.

  • Who discovered the issue in USN-6636-1?

    The issue in USN-6636-1 was discovered by Amit Schendel.

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