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.
References (6)
Core 6
Core References
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3946
Third Party Advisory x_refsource_misc
https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.md
Issue Tracking x_refsource_misc
https://bugzilla.clamav.net/show_bug.cgi?id=11701
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201804-16
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1
Scores
CVSS v3
7.8
EPSS
0.0227
EPSS Percentile
84.8%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-119
Status
published
Products (1)
libmspack_project/libmspack
0.5 alpha
Published
Aug 07, 2017
Tracked Since
Feb 18, 2026