From the Mandriva advisory: A crafted PDF file that triggers a parsing error allows remote attackers to cause denial of service. This bug is consequence of a wrong processing on FormWidgetChoice::loadDefaults method
(CVE-2009-0755). A crafted PDF file that triggers a parsing error allows remote attackers to cause denial of service. This bug is consequence of an invalid memory dereference on JBIG2SymbolDict::~JBIG2SymbolDict destructor when JBIG2Stream::readSymbolDictSeg method is used (CVE-2009-0756).
