Debian: DSA-3885-1 Critical: Irssi Denial Of Service Issues

CVE-2017-9468

Joseph Bisch discovered that Irssi does not properly handle DCC
messages without source nick/host. A malicious IRC server can take
advantage of this flaw to cause Irssi to crash, resulting in a
denial of service.

CVE-2017-9469

Joseph Bisch discovered that Irssi does not properly handle
receiving incorrectly quoted DCC files. A remote attacker can take
advantage of this flaw to cause Irssi to crash, resulting in a
denial of service.

For the oldstable distribution (jessie), these problems have been fixed
in version 0.8.17-1+deb8u4.

For the stable distribution (stretch), these problems have been fixed in
version 1.0.2-1+deb9u1.

For the unstable distribution (sid), these problems have been fixed in
version 1.0.3-1.

We recommend that you upgrade your irssi packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/