PT-2018-12658 · Kyzar+5 · Libmspack+5

Dmitry Glavatskikh · Published 2016-02-07 · Updated 2026-02-06 · CVE-2018-14682

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions libmspack versions prior to 0.7alpha

Description An issue was discovered in the CHM decompression functionality of libmspack, specifically in the mspack/chmd.c file. The problem lies in an off-by-one error within the TOLOWER() macro.

Recommendations For versions prior to 0.7alpha, update to version 0.7alpha or later to resolve the issue.

Fix

Weakness Enumeration

CWE-193

Related Identifiers

ALT-PU-2016-1082

ALT-PU-2018-2498

CESA-2018_3327

CLEANSTART-2026-LA13761

CLEANSTART-2026-NJ87139

CLEANSTART-2026-TC95380

CLEANSTART-2026-WX01708

CVE-2018-14682

DLA-1460-1

DSA-4260-1

MGASA-2018-0455

OPENSUSE-SU-2018_3315-1

OPENSUSE-SU-2018_3505-1

OPENSUSE-SU-2021:1200-1

OPENSUSE-SU-2021:2802-1

OPENSUSE-SU-2021_1200-1

OPENSUSE-SU-2021_2802-1

OPENSUSE-SU-2024:10958-1

RHSA-2018:3327

RHSA-2018_3327

SUSE-SU-2018:3250-1

SUSE-SU-2018:3436-1

SUSE-SU-2018:3436-2

SUSE-SU-2018:3441-1

SUSE-SU-2021:2765-1

SUSE-SU-2021:2802-1

USN-3728-1

USN-3728-2

USN-3728-3

USN-3789-2

USN-7788-1

Affected Products

Alt Linux

Centos

Red Hat

Suse

Ubuntu

Libmspack

References · 156

• https://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2017-11423 · Security Note
• https://ubuntu.com/security/CVE-2015-4469 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0455 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-48579 · Security Note
• https://ubuntu.com/security/CVE-2015-4467 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-12376 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-0361 · Security Note
• https://ubuntu.com/security/notices/USN-7788-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20197 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2018-0202 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1404 · Security Note
• https://ubuntu.com/security/CVE-2019-1010305 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3789-2 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20698 · Security Note