Gentoo Linux Security Advisory GLSA 200807-03 – Tavis Ormandy of the Google Security team reported a heap-based buffer overflow when compiling regular expression patterns containing Internal Option Settings such as (?i). Versions less than 7.7-r1 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/68025/glsa-200807-03.txt
Source: https://packetstormsecurity.com/files/68025/Gentoo-Linux-Security-Advisory-200807-3.html