Debian: DSA-2745-1 Urgent: PNG Buffer Overflows Detected

Pedro Ribeiro and Huzaifa S. Sidhpurwala discovered multiple
vulnerabilities in various tools shipped by the tiff library. Processing
a malformed file may lead to denial of service or the execution of
arbitrary code.

For the oldstable distribution (squeeze), these problems have been fixed in
version 3.9.4-5+squeeze10.

For the stable distribution (wheezy), these problems have been fixed in
version 4.0.2-6+deb7u2.

For the unstable distribution (sid), these problems have been fixed in
version 4.0.3-3.

We recommend that you upgrade your tiff packages.

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