Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.
Desbordamiento de entero en la función _IO_wstr_overflow en libio/wstrops.c en GNU C Library (también conocida como glibc o libc6) en versiones anteriores a 2.22 permite a atacantes dependientes del contexto provocar una denegación de servicio (caída de aplicación) o posiblemente ejecutar código arbitrario a través de vectores relacionados con calcular un tamaño en, lo que desencadena un desbordamiento de búfer basado en memoria dinámica.
It was discovered that the GNU C Library incorrectly handled the strxfrm function. An attacker could use this issue to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. It was discovered that an integer overflow existed in the _IO_wstr_overflow function of the GNU C Library. An attacker could use this to cause a denial of service or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Various other issues were also addressed.
