Ubuntu Security Notices
USN-4918-1

USN-4918-1: ClamAV vulnerabilities

Publication date

19 April 2021

Overview

Several security issues were fixed in ClamAV.

Releases

20.10 20.04 LTS 18.04 LTS 16.04 LTS

Packages

clamav - Anti-virus utility for Unix

Details

It was discovered that ClamAV incorrectly handled parsing Excel documents.
A remote attacker could possibly use this issue to cause ClamAV to hang,
resulting in a denial of service. (CVE-2021-1252)

It was discovered that ClamAV incorrectly handled parsing PDF documents. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2021-1404)

It was discovered that ClamAV incorrectly handled parsing email. A remote
attacker could possibly use this issue to cause ClamAV to crash, resulting
in a denial of service. (CVE-2021-1405)

It was discovered that ClamAV incorrectly handled parsing Excel documents.
A remote attacker could possibly use this issue to cause ClamAV to hang,
resulting in a denial of service. (CVE-2021-1252)

It was discovered that ClamAV incorrectly handled parsing PDF documents. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2021-1404)

It was discovered that ClamAV incorrectly handled parsing email. A remote
attacker could possibly use this issue to cause ClamAV to crash, resulting
in a denial of service. (CVE-2021-1405)

Update instructions

This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release	Package Version
20.10 groovy	clamav – 0.103.2+dfsg-0ubuntu0.20.10.1
20.04 focal	clamav – 0.103.2+dfsg-0ubuntu0.20.04.1
18.04 bionic	clamav – 0.103.2+dfsg-0ubuntu0.18.04.1
16.04 xenial	clamav – 0.103.2+dfsg-0ubuntu0.16.04.1

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References

USN-4918-2

USN-4918-2