security flaw

Signal handler race condition in Sendmail 8.13.x before 8.13.6 allows remote attackers to execute arbitrary code by triggering timeouts in a way that causes the setjmp and longjmp function calls to be interrupted and modify unexpected memory locations...

CVE-2002-1563

stunnel 4.0.3 and earlier allows attackers to cause a denial of service crash via SIGCHLD signal handler race conditions that cause an inconsistency in the child counter...