Fix buffer overflow issues in _yr_scan_fast_hex_re_exec
Fix buffer overflow issues in _yr_scan_fast_hex_re_exec

msuvajac/yara,binsrc/yara,jpypi/yara,rednaga/yara,beikezcs/yara,plusvic/yara,tanium/yara,binsrc/yara,plusvic/yara,tanium/yara,foreni-packages/yara,VirusTotal/yara,mgoffin/yara,0x0mar/yara,pombredanne/yara,smaudet/yara,plusvic/yara,smaudet/yara,cblichmann/yara,mgoffin/yara,mgoffin/yara,VirusTotal/yara,neatsun/yara,rednaga/yara,kallanreed/yara,cblichmann/yara,hillu/yara,0x0mar/yara,jshufelt/yara,hillu/yara,pombredanne/yara,digideskio/yara,kallanreed/yara,wxsBSD/yara,frbapolkosnik/yara,digideskio/yara,pombredanne/yara,beikezcs/yara,neatsun/yara,binsrc/yara,wxsBSD/yara,Security513/yara,jshufelt/yara,tanium/yara,binsrc/yara,rednaga/yara,0x0mar/yara,digideskio/yara,frbapolkosnik/yara,rayyang2000/yara,Security513/yara,MeteorAdminz/yara,plusvic/yara,cblichmann/yara,tdr130/yara,VirusTotal/yara,jpypi/yara,foreni-packages/yara,kallanreed/yara,Security513/yara,msuvajac/yara,hillu/yara,hillu/yara,VirusTotal/yara,mgoffin/yara,bmagistro/yara,VirusTotal/yara,msuvajac/yara,wxsBSD/yara,cblichmann/yara,jshufelt/yara,foreni-packages/yara,plusvic/yara,bmagistro/yara,MeteorAdminz/yara,frbapolkosnik/yara,rayyang2000/yara,frbapolkosnik/yara,bmagistro/yara,wxsBSD/yara,hillu/yara,smaudet/yara,pombredanne/yara,tdr130/yara,rayyang2000/yara,pombredanne/yara,smaudet/yara,jpypi/yara,jshufelt/yara,wxsBSD/yara,MeteorAdminz/yara,tdr130/yara,0x0mar/yara,neatsun/yara,beikezcs/yara,digideskio/yara,cblichmann/yara