Created attachment 208071 [details]
Patch to upgrade
This release is a fix for vulnerability CVE-2019-16866 that causes a
failure when a specially crafted query is received.
- Fix for the reported vulnerability.
The CVE number for this vulnerability is CVE-2019-16866
Recent versions of Unbound contain a problem that may cause Unbound to
crash after receiving a specially crafted query. This issue can only be
triggered by queries received from addresses allowed by Unbound's ACL.
== Affected products
Unbound 1.7.1 up to and including 1.9.3.
Due to an error in parsing NOTIFY queries, it is possible for Unbound to
continue processing malformed queries and may ultimately result in a
pointer dereference in uninitialized memory. This results in a crash of
the Unbound daemon.
Whether this issue leads to a crash depends on the content of the
uninitialized memory space and cannot be predicted. This issue can only
be triggered by queries received from addresses that are allowed to send
queries according to Unbound's ACL (access-control in the Unbound
A commit references this bug:
Date: Thu Oct 3 19:28:48 UTC 2019
New revision: 513730
Update to 1.9.4
Reported by: C <firstname.lastname@example.org>
Submitted by: Jaap Akkerhuis <jaap@NLnetLabs.nl> (maintainer)
^Triage: VuXML entry was added in ports r513729.
Re-open pending MFH
@Sunpoet Please include PR: references for VuXMl entries so they're tracked in issues too.
Thanks for re-opening.
It has now been a week waiting for the MFH to 2019Q4.
The users using this port from the default pkg(8) repository receive daily security status mails from periodic(8) reminding dns/unbound being vulnerable.