CVE-2017-6419

Published: Aug 7, 2017Modified: May 13, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.

Affected (1)

Products: Libmspack Project: Libmspack

Libmspack Project

1 product

Libmspack

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Libmspack Project Libmspack	Version 0.5 alpha

Running on/with	Platform Versions
Clamav Clamav	Version 0.99.2

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (12)

http://www.debian.org/security/2017/dsa-3946

Source: cve@mitre.org

https://bugzilla.clamav.net/show_bug.cgi?id=11701

Source: cve@mitre.org

Issue Tracking

https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.md

Source: cve@mitre.org

Third Party Advisory

https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1

Source: cve@mitre.org

Issue TrackingPatchThird Party Advisory

https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html

Source: cve@mitre.org

https://security.gentoo.org/glsa/201804-16

Source: cve@mitre.org

http://www.debian.org/security/2017/dsa-3946