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CVE-2018-14679

libmspack: off-by-one error in the CHM PMGI/PMGL chunk number validity checks

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Severity

Low

Red Hat Product Security

4

CVSS 3.0

Review impact separately from score.

Published · May 12, 2018

Updated · November 22, 2025

Description

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).

Statement

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

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 4
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-193 · Off-by-one Error