Gentoo Linux Security Advisory GLSA 200906-02 – A flaw in the Ruby standard library might allow remote attackers to cause a Denial of Service attack. Tadayoshi Funaba reported that BigDecimal in ext/bigdecimal/bigdecimal.c does not properly handle string arguments containing overly long numbers. Versions less than 1.8.6_p369 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/78718/glsa-200906-02.txt
Source: https://packetstormsecurity.com/files/78718/Gentoo-Linux-Security-Advisory-200906-2.html

