2010.06.15 19:26 "[Tiff] Libtiff 3.9.4 released", by Bob Friesenhahn
Libtiff 3.9.4 is now released to correct issues existing in the 3.9.3 release. The most important issues are related to security and file corruption due to re-writing the TIFF directory when JPEG compression was used. Due to the security issues, libtiff users should update to 3.9.4.
Please read about the release at http://www.remotesensing.org/libtiff/v3.9.4.html
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/