This script is Copyright (C) 2008-2015 Tenable Network Security, Inc.
The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200810-03
(libspf2: DNS response buffer overflow)
libspf2 uses a fixed-length buffer to receive DNS responses and does
not properly check the length of TXT records, leading to buffer
A remote attacker could store a specially crafted DNS entry and entice
a user or automated system using libspf2 to lookup that SPF entry (e.g.
by sending an email to the MTA), possibly allowing for the execution of
There is no known workaround at this time.
See also :
All libspf2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=mail-filter/libspf2-1.2.8'
Risk factor :
Critical / CVSS Base Score : 10.0