Gentoo Linux Security Advisory GLSA 200509-13 – Clam AntiVirus is vulnerable to a buffer overflow in libclamav/upx.c when processing malformed UPX-packed executables. It can also be sent into an infinite loop in libclamav/fsg.c when processing specially-crafted FSG-packed executables. Versions less than 0.87 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40171/glsa-200509-13.txt
Source: https://packetstormsecurity.com/files/40171/Gentoo-Linux-Security-Advisory-200509-13.html