CVE-2019-1010305

libmspack: buffer overflow in function chmd_read_headers()

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Severity

Low

Red Hat Product Security

2.5

CVSS 3.0

Review impact separately from score.

Published · July 15, 2019

Updated · November 22, 2025

Description

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.

Statement

This issue affects versions of libmspack as shipped with Red Hat Enterprise Linux 7 and 8. This flaw was rated as having a Low security impact by the Red Hat Product Security Team.

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 · 2.5
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')