Debian: DSA-4016-1 Critical: Irssi Denial of Service Issues

CVE-2017-10965

Brian 'geeknik' Carpenter of Geeknik Labs discovered that Irssi does
not properly handle receiving messages with invalid time stamps. A
malicious IRC server can take advantage of this flaw to cause Irssi
to crash, resulting in a denial of service.

CVE-2017-10966

Brian 'geeknik' Carpenter of Geeknik Labs discovered that Irssi is
susceptible to a use-after-free flaw triggered while updating the
internal nick list. A malicious IRC server can take advantage of
this flaw to cause Irssi to crash, resulting in a denial of service.

CVE-2017-15227

Joseph Bisch discovered that while waiting for the channel
synchronisation, Irssi may incorrectly fail to remove destroyed
channels from the query list, resulting in use after free conditions
when updating the state later on. A malicious IRC server can take
advantage of this flaw to cause Irssi to crash, resulting in a
denial of service.

CVE-2017-15228

Hanno Boeck reported that Irssi does not...