SUSE CVE-2006-5974

fetchmail 6.3.5 and 6.3.6 before 6.3.6-rc4, when refusing a message delivered via the mda option, allows remote attackers to cause a denial of service crash via unknown vectors that trigger a NULL pointer dereference when calling the 1 ferror or 2 fflush functions...

FreeBSD stdlib fflush vulnereability

Under some condition, heap buffer overflow can be caused by invalid fflush behavior...