The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2 and other products, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a crafted CAB file.
https://security.gentoo.org/glsa/201804-16
https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html
https://github.com/hackerlib/hackerlib-vul/tree/master/clamav-vul