The vulnerability of the VMSF_DELTA memory component of the UnRAR file decompression tool and the Sophos Anti-Virus antivirus protection allows a perpetrator to execute arbitrary code.

The vulnerability of the VMSFDELTA component, a file decompression tool, and the UnRAR decompression tool is caused by a numerical overflow. This occurs when the variable MemDestPos exceeds its allowable limits due to the negative value of the argument DestPos during the summation of DataSize and...