USN-4918-3: ClamAV regression
3 May 2021
USN-4918-1 introduced a regression in ClamAV that could cause it to fail to scan.
Releases
Packages
- clamav - Anti-virus utility for Unix
Details
USN-4918-1 fixed vulnerabilities in ClamAV. The updated package could
fail to properly scan in some situations. This update fixes
the problem.
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 21.04
Ubuntu 20.10
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04
-
clamav
-
0.103.2+dfsg-0ubuntu0.16.04.1+esm1
Available with Ubuntu Pro
-
libclamav9
-
0.103.2+dfsg-0ubuntu0.16.04.1+esm1
Available with Ubuntu Pro
Ubuntu 14.04
-
clamav
-
0.103.2+dfsg-0ubuntu0.14.04.1+esm2
Available with Ubuntu Pro
-
libclamav9
-
0.103.2+dfsg-0ubuntu0.14.04.1+esm2
Available with Ubuntu Pro
This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.