glibc: incorrect use of extend_alloca() in formatted printing can lead to FORTIFY_SOURCE format string protection bypass

The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library aka glibc 2.14 and other versions does not properly calculate a buffer length, which allows context-dependent attackers to bypass the FORTIFYSOURCE format-string protection mechanism and cause a denial of service segmentati...

NetBSD 5.0.1 - 'IRET' General Protection Fault Handling Privilege Escalation

/ source: https://www.securityfocus.com/bid/36430/info NetBSD is prone to a local privilege-escalation vulnerability. A local attacker may exploit this issue to cause the kernel stack to become desynchronized. This may allow the attacker to gain elevated privileges or may aid in further attacks. ...