CVE-2013-4391

Integer overflow in the valid_user_field function in
journal/journald-native.c in systemd allows remote attackers to cause a
denial of service (crash) and possibly execute arbitrary code via a large
journal data field, which triggers a heap-based buffer overflow.

Bugs

• <https://bugzilla.redhat.com/show_bug.cgi?id=859051&gt;
• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=725357&gt;