The issue is caused by a buffer overflow in the `zi short` function, located in the `zipinfo.c` file of the Info-Zip Unzip file archiver. This buffer overflow occurs due to an out-of-bounds operation in memory. The exploitation of this issue may allow a remote attacker to cause a denial of service, specifically a crash, through vectors related to the compression method. This can be achieved by using a large compression method value in the central directory file header.