CVE-2017-6419

7.8 HIGH

Published: August 07, 2017 Modified: May 13, 2026

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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 Tracking Patch Third 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