The parsing engine in ClamAV before 0.90.3 and 0.91 before 0.91rc1 allows remote attackers to bypass scanning via a RAR file with a header flag value of 10, which can be processed by WinRAR.
Open Enterprise Server openSUSE 10.2 SUSE CORE 9 for AMD64 and Intel EM64T SUSE CORE 9 for IBM POWER SUSE CORE 9 for IBM S/390 31bit SUSE CORE 9 for IBM zSeries 64bit SUSE CORE 9 for Itanium Processor Family SUSE CORE 9 for x86 SUSE LINUX 10.0 SUSE LINUX 10.1