Public Date:
1610890: CVE-2018-14679 libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks

The MITRE CVE dictionary describes this issue as:

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).

Find out more about CVE-2018-14679 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue affects the versions of libmspack as shipped with Red Hat Enterprise Linux 7.

CVSS v3 metrics

CVSS3 Base Score 4
CVSS3 Base Metrics CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 7 (libmspack) RHSA-2018:3327 2018-10-30

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 8 libmspack Affected
Last Modified

CVE description copyright © 2017, The MITRE Corporation