php4 - missing input sanitising

An iDEFENSE researcher discovered two problems in the image processing
functions of PHP, a server-side, HTML-embedded scripting language, of
which one is present in woody as well. When reading a JPEG image, PHP
can be tricked into an endless loop due to insufficient input
validation.

For the stable distribution (woody) this problem has been fixed in
version 4.1.2-7.woody4.

For the testing distribution (sarge) these problems have been fixed in
version 4.3.10-10.

For the unstable distribution (sid) these problems have been fixed in
version 4.3.10-10.

We recommend that you upgrade your php4 packages.