Qt patches released fixing potential security flaw
Patches for Qt versions 4.3.0 and newer available for download.
Oslo, 01 September 2009 – Nokia today released a set of patches to Qt addressing a potential vulnerability in the QSslCertificate class parsing of Subject Alternate Names (SAN) of X.509 certificates that contain embedded NUL characters. The security vulnerability affects all Qt releases containing SSL support, namely all releases since Qt 4.3.0, and has been assigned a risk level of "Moderate" on a scale of Low / Moderate / Important / Critical.
more info at :
http://qt.nokia.com/about/news/qt-patches-released-addressing-potential-security-flaw