Gentoo Linux Security Advisory GLSA 200702-12 – When certain CHM files that contain tables and objects stored in pages are parsed by CHMlib, an unsanitized value is passed to the alloca() function resulting in a shift of the stack pointer to arbitrary memory locations. Versions less than 0.39 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/54726/glsa-200702-12.txt
Source: https://packetstormsecurity.com/files/54726/Gentoo-Linux-Security-Advisory-200702-12.html