Package: dovecot Severity: grave Tags: security Hi Dovecot maintainers, CVE-2011-1929 was assigned to the following issue fixed in 1.2.17 and 2.0.13: | Fixed potential crashes and other problems when parsing | header names that contained NUL characters. http://dovecot.org/pipermail/dovecot/2011-May/059085.html http://dovecot.org/pipermail/dovecot/2011-May/059086.html Patch: http://hg.dovecot.org/dovecot-1.1/rev/3698dfe0f21c Could you contact upstream wrt the exact impact? What is being crashed here, can someone only crash a delivery thread or can the whole IMAP server be crashed through malformed mail messages? In the latter case we should release a DSA. Cheers, Moritz -- System Information: Debian Release: wheezy/sid APT prefers unstable APT policy: (500, ''unstable'') Architecture: amd64 (x86_64) Kernel: Linux 2.6.38-2-amd64 (SMP w/2 CPU cores) Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash