CVE-2017-6419

HighCVSS 7.8/10Last modified Jun 17, 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.

Metrics

CVSS 3.0 7.8/10CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.debian.org/security/2017/dsa-3946
https://bugzilla.clamav.net/show_bug.cgi?id=11701Issue Tracking
https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.mdThird Party Advisory
https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html
https://security.gentoo.org/glsa/201804-16
http://www.debian.org/security/2017/dsa-3946
https://bugzilla.clamav.net/show_bug.cgi?id=11701Issue Tracking
https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.mdThird Party Advisory
https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html
https://security.gentoo.org/glsa/201804-16

Timeline

Published: Aug 7, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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