ZNC is an advanced IRC bouncer.
Multiple vulnerabilities have been discovered in ZNC. Please review the CVE identifiers referenced below for details.
A remote attacker could read arbitary files and esclate privileges.
There is no known workaround at this time.
All ZNC users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-irc/znc-1.7.1"