execute_filter_audio in archive_read_support_format_rar.c in libarchive before 3.7.5 allows out-of-bounds access via a crafted archive file because src can move beyond dst.
https://github.com/libarchive/libarchive/pull/2149
https://github.com/libarchive/libarchive/compare/v3.7.4...v3.7.5