CVE-2020-3481: Clam AntiVirus (ClamAV) Software Null Pointer Dereference Vulnerability

Published Jul 20, 2020
·
Updated

A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null pointer dereference. An attacker could exploit this vulnerability by sending a crafted EGG file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

Affected Software

10 affected componentsFixes available
clamav clamav>=0.102.0<=0.102.3
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=20.04
Debian Debian Linux=9.0
Fedoraproject Fedora=31
Fedoraproject Fedora=32
debian/clamav
0.103.10+dfsg-0+deb11u11.4.3+dfsg-1~deb11u11.4.3+dfsg-1~deb12u21.4.3+dfsg-11.4.3+dfsg-2

Remediation

Information

Upgrade to ClamAV version 0.102.4

Event History

Jul 20, 2020
CVE Published
via MITRE·05:45 PM
Data Sourced
via MITRE·05:45 PM
RemedyDescriptionSeverityWeakness
Feb 23, 2026
Data Sourced
via Ubuntu·11:14 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·11:15 PM
DescriptionAffected Software
Data Sourced
via Launchpad·11:15 PM
Description
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2020-3481?

CVE-2020-3481 is a vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3.

2

How does CVE-2020-3481 impact the affected devices?

CVE-2020-3481 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.

3

What is the severity of CVE-2020-3481?

CVE-2020-3481 has a severity value of 7.5 (High).

4

How can I fix the CVE-2020-3481 vulnerability on my device?

To fix the CVE-2020-3481 vulnerability, update the Clam AntiVirus (ClamAV) Software to versions 0.103.6+dfsg-0+deb10u1, 0.103.9+dfsg-0+deb10u1, 0.103.10+dfsg-0+deb11u1, 1.0.3+dfsg-1~deb12u1, or 1.0.3+dfsg-2.

5

Where can I find more information about CVE-2020-3481?

You can find more information about CVE-2020-3481 at the following references: [CVE-2020-3481](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3481), [ClamAV Blog](https://blog.clamav.net/2020/07/clamav-01024-security-patch-released.html), [Ubuntu Security Notice USN-4435-1](https://ubuntu.com/security/notices/USN-4435-1).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203