There is a reachable assertion abort in the function TIFFWriteDirectorySec() in LibTIFF 4.0.8, related to tif_dirwrite.c and a SubIFD tag. A crafted input will lead to a remote denial of service attack.
Es posible abortar aserciones alcanzables en la función TIFFWriteDirectorySec() en LibTIFF 4.0.8 en relación con tif_dirwrite.c y una etiqueta SubIFD. Se podría realizar un ataque de denegación de servicio remoto con una entrada especialmente 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.