Debian DSA-3046-1 Critical: Qemu Buffer Overflow and Service Disruption

Several vulnerabilities were discovered in qemu, a fast processor
emulator:

* Various security issues have been found in the block qemu drivers.
Malformed disk images might result in the execution of arbitrary code.
* A NULL pointer dereference in SLIRP may result in denial of service
* An information leak was discovered in the VGA emulation

For the stable distribution (wheezy), these problems have been fixed in
version 1.1.2+dfsg-6a+deb7u4.

For the unstable distribution (sid), these problems will be fixed soon.

We recommend that you upgrade your qemu packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/