CVE-2022-28085

Se ha encontrado un fallo en el commit 31f7804 de htmldoc. Un desbordamiento del búfer de la pila en la función pdf_write_names en el archivo ps-pdf.cxx puede conllevar a una ejecución de código arbitrario y una Denegación de Servicio (DoS)

It was discovered that HTMLDOC incorrectly handled memory in the image_set_mask, git_read_lzw, write_header and write_node functions, which could lead to a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that HTMLDOC incorrectly handled memory in the gif_get_code function, which could lead to a segmentation fault. If a user or application were tricked into opening a crafted GIF file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.