CVE-2016-9586

curl, en versiones anteriores a la 7.52.0, es vulnerable a un desbordamiento de búfer cuando se realiza un envío de un gran puntero flotante en la implementación de libcurl de la función printf(). Si hay aplicaciones que acepten una cadena de formato externa sin necesitar un filtrado de entrada, podría permitir ataques remotos.

Daniel Stenberg discovered that curl incorrectly handled large floating point output. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. Even Rouault discovered that curl incorrectly handled large file names when doing TFTP transfers. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly obtain sensitive memory contents. Various other issues were also addressed.