What’s Vulnerable › Vulnerabilities

CVE-2018-20253

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-02-13 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• WinRAR: through 5.60

References

• https://research.checkpoint.com/extracting-code-execution-from-winrar/
• https://www.win-rar.com/whatsnew.html
• https://research.checkpoint.com/extracting-code-execution-from-winrar/
• https://www.win-rar.com/whatsnew.html

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