High severity7.8NVD Advisory· Published Feb 13, 2019· Updated Jun 17, 2026

CVE-2018-20253

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Rarlab/Winrar
cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*
Range: <=5.60
WinRAR/WinRARllm-fuzzy
Range: <=5.60
Check Point Software Technologies Ltd./WinRARv5
Range: All versions prior and including 5.60

Patches

Vulnerability mechanics

References

research.checkpoint.com/extracting-code-execution-from-winrar/nvdExploitThird Party Advisory
www.win-rar.com/whatsnew.htmlnvdRelease NotesVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.507
epss	0.003
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000