Gentoo Linux Security Advisory GLSA 200504-06 – Joey Hess has discovered that the program unshar, which is a part of sharutils, creates temporary files in a world-writable directory with predictable names. Versions less than 4.2.1-r11 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/37042/glsa-200504-06.txt
Source: https://packetstormsecurity.com/files/37042/Gentoo-Linux-Security-Advisory-200504-6.html