Some Irssi issues were found:
An issue was discovered in Irssi before 1.0.4. When receiving messages with
invalid time stamps, Irssi would try to dereference a NULL pointer.
An issue was discovered in Irssi before 1.0.4. While updating the internal
nick list, Irssi could incorrectly use the GHashTable interface and free
the nick while updating it. This would then result in use-after-free
conditions on each access of the hash table.
For Debian 7 "Wheezy", these problems have been fixed in version
We recommend that you upgrade your irssi packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Version : 0.8.15-5+deb7u3