CVE-2017-11464

Un SIGFPE se genera en la función box_blur_line del archivo rsvg-filter.c en GNOME librsvg versión 2.40.17 durante un intento de análisis de un archivo SVG creado, debido a la protección incorrecta contra la división por cero.

USN-4436-1 fixed a vulnerability in librsvg. The upstream fix caused a regression when parsing certain SVG files. This update backs out the fix pending further investigation. It was discovered that librsvg incorrectly handled parsing certain SVG files. A remote attacker could possibly use this issue to cause librsvg to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. It was discovered that librsvg incorrectly handled parsing certain SVG files with nested patterns. A remote attacker could possibly use this issue to cause librsvg to consume resources and crash, resulting in a denial of service. Various other issues were also addressed.