The putagreytile function in tif_getimage.c in LibTIFF 4.0.7 has a left-shift undefined behavior issue, which might allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted image.
La función putagreytile en tif_getimage.c en LibTIFF 4.0.7 tiene un problema de comportamiento de desplazamiento a la izquierda no definido, lo que podrían permitir a atacantes remotos provocar una denegación de servicio (caída de la aplicación) o posiblemente tener otro impacto no especificado a través de una imagen manipulada.
It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges.
