This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--===============5923873086854041407==
Content-Type: multipart/signed; micalg=pgp-sha256;
 protocol="application/pgp-signature";
 boundary="N4oPsd4cVQB1YUvOs7XRVzrgnwBdxiVac"

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--N4oPsd4cVQB1YUvOs7XRVzrgnwBdxiVac
Content-Type: multipart/mixed;
 boundary="g1PhGw3vcjoUQkPjhxYkXdhbWyFHqIVKd";
 protected-headers="v1"
From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: "ubuntu-security-announce@lists.ubuntu.com"
 <ubuntu-security-announce@lists.ubuntu.com>
Message-ID: <248478f5-bb7b-3040-3225-64a6d61f875a@canonical.com>
Subject: [USN-4918-1] ClamAV vulnerabilities

--g1PhGw3vcjoUQkPjhxYkXdhbWyFHqIVKd
Content-Type: text/plain; charset=utf-8
Content-Language: en-C
Content-Transfer-Encoding: quoted-printable

==========================================================================
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


--g1PhGw3vcjoUQkPjhxYkXdhbWyFHqIVKd--

--N4oPsd4cVQB1YUvOs7XRVzrgnwBdxiVac
Content-Type: application/pgp-signature; name="OpenPGP_signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="OpenPGP_signature"

-----BEGIN PGP SIGNATURE-----
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=l8yw
-----END PGP SIGNATURE-----

--N4oPsd4cVQB1YUvOs7XRVzrgnwBdxiVac--


--===============5923873086854041407==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: inline

LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5
LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl
IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj
dXJpdHktYW5ub3VuY2UK

--===============5923873086854041407==--