Debian Security Advisory 1397-1 – An integer overflow in the BigInteger data type implementation has been discovered in the free .NET runtime Mono.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/60675/dsa-1397-1.txt
Source: https://packetstormsecurity.com/files/60675/Debian-Linux-Security-Advisory-1397-1.html