Red Hat Security Advisory 2017-3221-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix: A null pointer dereference flaw was found in libgd. An attacker could use a specially-crafted .gd2 file to cause an application linked with libgd to crash, leading to denial of service. An integer overflow flaw, leading to a heap-based buffer overflow was found in the way libgd read some specially-crafted gd2 files. A remote attacker could use this flaw to crash an application compiled with libgd or in certain cases execute arbitrary code with the privileges of the user running that application. Continue reading...
