CVE-2018-18384: Unzip Project Unzip

Medium severity, CVSS 5.5. EPSS: 2.6% chance of exploitation in the next 30 days.

Info-ZIP UnZip 6.0 has a buffer overflow in list.c, when a ZIP archive has a crafted relationship between the compressed-size value and the uncompressed-size value, because a buffer size is 10 and is supposed to be 12.

Affected products

• Unzip Project Unzip: version 6.0 only

Published 2018-10-16. Last modified 2026-06-17.