Integer underflow in header.c in lha allows remote attackers to have unspecified impact via a large header size value for the (1) level0 or (2) level1 header in a lha archive, which triggers a buffer overflow.
http://www.openwall.com/lists/oss-security/2016/01/18/8
http://www.openwall.com/lists/oss-security/2016/01/18/3
https://security.gentoo.org/glsa/202007-42
Source: Mitre, NVD
Published: 2017-01-23
Updated: 2025-04-20
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
EPSS: 0.00938