CVE-2017-20006

PoC —

CVSS 3.1

7.8 high

EPSS

1%p67

Published

Jul 1, 2021 (Jul 1, 2021)

Modified

Jun 17, 2026

Description

UnRAR 5.6.1.2 and 5.6.1.3 has a heap-based buffer overflow in Unpack::CopyString (called from Unpack::Unpack5 and CmdExtract::ExtractCurrentFile).

Vendors: rarlab
Products: unrar
Weakness: CWE-787
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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