Debian Security Advisory DSA 821-1 – An integer overflow with a subsequent buffer overflow has been detected in PCRE, the Perl Compatible Regular Expressions library, which allows an attacker to execute arbitrary code, and is also present in Python. Exploiting this vulnerability requires an attacker to specify the used regular expression.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40354/dsa-821-1.txt
Source: https://packetstormsecurity.com/files/40354/Debian-Linux-Security-Advisory-821-1.html