libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ function.
Format string vulnerability in RARLAB WinRAR 2.90 through 3.50 allows remote attackers to execute arbitrary code via format string specifiers in a UUE/XXE file, which are not properly handled when WinRAR displays diagnostic errors related to an invalid filename.
libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the EncodeFileName::Decode call within the Archive::ReadHeader15 function.
libunrar.a in UnRAR before 5.5.7 has an out-of-bounds read in the Unpack::Unpack20 function.