libunrar.a in UnRAR before 5.5.7 has a buffer overflow in the Unpack::LongLZ function.
https://security.gentoo.org/glsa/201709-24
https://kc.mcafee.com/corporate/index?page=content&id=SB10241
Source: Mitre, NVD
Published: 2017-08-18
Updated: 2018-06-16
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical