Updated gnupg packages fix security vulnerability:

The gnupg program before version 1.4.16 is vulnerable to an ELGAMAL
side-channel attack (CVE-2014-5270).

A flaw was found in the way Bash evaluated certain specially crafted
environment variables. An attacker could use this flaw to override or
bypass environment restrictions to execute shell commands. Certain
services and applications allow remote unauthenticated attackers to
provide environment variables, allowing them to exploit this issue
(CVE-2014-6271).

Updated libgadu packages fix security vulnerability:

Libgadu before 1.12.0 was found to not be performing SSL certificate
validation (CVE-2013-4488).