Gentoo Linux Security Advisory GLSA 200410-31 – Email virus scanning software relying on Archive::Zip can be fooled into thinking a ZIP attachment is empty while it contains a virus, allowing detection evasion.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34891/glsa-200410-31.txt
Source: https://packetstormsecurity.com/files/34891/Gentoo-Linux-Security-Advisory-200410-31.html