CVE-2020-12825

libcroco versiones hasta 0.6.13, presenta una recursión excesiva en la función cr_parser_parse_any_core en el archivo cr-parser.c, conllevando a un consumo de la pila.

A stack overflow flaw was found in libcroco. A service using libcroco's CSS parser could be crashed by a local, authenticated attacker, or an attacker utilizing social engineering, using a crafted input. The highest threat from this vulnerability is to system availability.

It was discovered that Libcroco was incorrectly accessing data structures when reading bytes from memory, which could cause a heap buffer overflow. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS. It was discovered that Libcroco was incorrectly handling invalid UTF-8 values when processing CSS files. An attacker could possibly use this issue to cause a denial of service.