CVE-2018-20253

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
Check Point Software Technologies Ltd.	WinRAR	All versions prior and including 5.60

References

https://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Third Party Advisory
https://www.win-rar.com/whatsnew.htmlRelease Notes, Vendor Advisory
https://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Third Party Advisory
https://www.win-rar.com/whatsnew.htmlRelease Notes, Vendor Advisory

Timeline

Published: Feb 13, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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