USN-4918-2: ClamAV vulnerabilities
20 April 2021
Several security issues were fixed in ClamAV.
Releases
Packages
- clamav - Anti-virus utility for Unix
Details
USN-4918-1 fixed several vulnerabilities in ClamAV. This update provides
the corresponding update for Ubuntu 14.04 ESM.
Original advisory 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 14.04
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
Related notices
- USN-4918-1: clamav-daemon, clamdscan, libclamav9, clamav-base, clamav-testfiles, clamav-freshclam, clamav-docs, libclamav-dev, clamav-milter, clamav