CVE-2018-20253: RARLAB WinRAR

High severity, CVSS 7.8. EPSS: 4.2% chance of exploitation in the next 30 days.

In WinRAR versions prior to and including 5.60, There is an out-of-bounds write vulnerability during parsing of a crafted LHA / LZH archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Affected products

• RARLAB WinRAR: up to and including 5.60

Published 2019-02-13. Last modified 2026-06-17.