libmspack 0.9.1alpha is affected by: Buffer Overflow. The impact is: Information Disclosure. The component is: function chmd_read_headers() in libmspack(file libmspack/mspack/chmd.c). The attack vector is: the victim must open a specially crafted chm file. The fixed version is: after commit 2f084136cfe0d05e5bf5703f3e83c6d955234b4d.
https://github.com/kyz/libmspack/issues/27
https://github.com/kyz/libmspack/commit/2f084136cfe0d05e5bf5703f3e83c6d955234b4d
https://usn.ubuntu.com/4066-1/
https://usn.ubuntu.com/4066-2/
https://lists.debian.org/debian-lts-announce/2019/08/msg00028.html
https://lists.debian.org/debian-lts-announce/2021/10/msg00033.html
Source: MITRE
Published: 2019-07-15
Updated: 2021-11-30
Type: CWE-119
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM