BIND 9.4.3-P4 is now available. BIND 9.4.3-P4 is a SECURITY PATCH for BIND 9.4.3. It addresses a potential cache poisoning vulnerability, in which data in the additional section of a response could be cached without proper DNSSEC validation. Bugs should be reported to bind9-bugs@isc.org. BIND 9.4.3-P4 can be downloaded from: ftp://ftp.isc.org/isc/bind9/9.4.3-P4/bind-9.4.3-P4.tar.gz PGP signatures of the distribution are at: ftp://ftp.isc.org/isc/bind9/9.4.3-P4/bind-9.4.3-P4.tar.gz.asc ftp://ftp.isc.org/isc/bind9/9.4.3-P4/bind-9.4.3-P4.tar.gz.sha256.asc ftp://ftp.isc.org/isc/bind9/9.4.3-P4/bind-9.4.3-P4.tar.gz.sha512.asc The signatures were generated with the ISC public key, which is available at https://www.isc.org/about/openpgp A binary kit for Windows XP, Windows 2003 and Windows 2008 is at: ftp://ftp.isc.org/isc/bind9/9.4.3-P4/BIND9.4.3-P4.zip ftp://ftp.isc.org/isc/bind9/9.4.3-P4/BIND9.4.3-P4.debug.zip PGP signatures of the binary kit are at: ftp://ftp.isc.org/isc/bind9/9.4.3-P4/BIND9.4.3-P4.zip.asc ftp://ftp.isc.org/isc/bind9/9.4.3-P4/BIND9.4.3-P4.zip.sha256.asc ftp://ftp.isc.org/isc/bind9/9.4.3-P4/BIND9.4.3-P4.zip.sha512.asc ftp://ftp.isc.org/isc/bind9/9.4.3-P4/BIND9.4.3-P4.debug.zip.asc ftp://ftp.isc.org/isc/bind9/9.4.3-P4/BIND9.4.3-P4.debug.zip.sha256.asc ftp://ftp.isc.org/isc/bind9/9.4.3-P4/BIND9.4.3-P4.debug.zip.sha512.asc Changes since 9.4.3-P3: 2772. [security] When validating, track whether pending data was from the additional section or not and only return it if validates as secure. [RT #20438]