bind: bump to 9.18.7
Fixes multiple security issues:
CVE-2022-38178 - Fix memory leak in EdDSA verify processing
CVE-2022-3080 - Fix serve-stale crash that could happen when
stale-answer-client-timeout was set to 0 and there was
a stale CNAME in the cache for an incoming query
CVE-2022-2906 - Fix memory leaks in the DH code when using OpenSSL 3.0.0
and later versions. The openssldh_compare(),
openssldh_paramcompare(), and openssldh_todns()
functions were affected
CVE-2022-2881 - When an HTTP connection was reused to get
statistics from the stats channel, and zlib
compression was in use, each successive
response sent larger and larger blocks of memory,
potentially reading past the end of the allocated
buffer
CVE-2022-2795 - Prevent excessive resource use while processing large
delegations
Signed-off-by: Noah Meyerhans <frodo@morgul.net>
(cherry picked from commit
58bcd3fad37eaf56d4dbeecc0c73abe464e7e987)