A HexView security advisory reports:
When zip performs recursive folder compression, it does not check for the length of resulting path. If the path is too long, a buffer overflow occurs leading to stack corruption and segmentation fault. It is possible to exploit this vulnerability by embedding a shellcode in directory or file name. While the issue is not of primary concern for regular users, it can be critical for environments where zip archives are re-compressed automatically using Info-Zip application.
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