CVE-2019-20326

Un desbordamiento de búfer en la región heap de la memoria en la función _cairo_image_surface_create_from_jpeg() en el archivo extensions/cairo_io/cairo-image-surface-jpeg.c en GNOME gThumb versiones anteriores a 3.8.3 y Linux Mint Pix versiones anteriores a 2.4.5, permite a atacantes causar un bloqueo y ejecutar potencialmente código arbitrario por medio de un archivo JPEG diseñado.

It was discovered that gThumb did not properly managed memory when processing certain image files. If a user were tricked into opening a specially crafted JPEG file, an attacker could possibly use this issue to cause gThumb to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that gThumb did not properly handled certain malformed image files. If a user were tricked into opening a specially crafted JPEG file, an attacker could possibly use this issue to cause gThumb to crash, resulting in a denial of service.