========================================================================== Ubuntu Security Notice USN-4918-1 April 19, 2021 clamav vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Several security issues were fixed in ClamAV. Software Description: - 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) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: clamav 0.103.2+dfsg-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: clamav 0.103.2+dfsg-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: clamav 0.103.2+dfsg-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: clamav 0.103.2+dfsg-0ubuntu0.16.04.1 This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4918-1 CVE-2021-1252, CVE-2021-1404, CVE-2021-1405 Package Information: https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/clamav/0.103.2+dfsg-0ubuntu0.16.04.1