SharpZipLib before 1.0 RC1 is vulnerable to directory traversal, allowing attackers to write to arbitrary files via a ../ (dot dot slash) in a Zip archive entry that is mishandled during extraction. This vulnerability is also known as 'Zip-Slip'.
Exploitability
AV:LAC:LPR:NUI:RScope
S:UImpact
C:NI:HA:N5.5/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NInput Validation