From: Matthijs Mekking <matthijs@isc.org>
Date: Wed, 25 Feb 2026 11:44:31 +0000 (+0000)
Subject: [9.20] fix: usr: Clear serve-stale flags when following the CNAME chains
X-Git-Tag: v9.20.20~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=68fb2312948f97a4336397ecee3f9a5d5110e7ad;p=thirdparty%2Fbind9.git

[9.20] fix: usr: Clear serve-stale flags when following the CNAME chains

A stale answer could have been served in case of multiple upstream
failures when following the CNAME chains.  This has been fixed.

Closes #5751

Backport of MR !11558

Merge branch 'backport-5751-clear-staleflags-in-CNAME-chains-9.20' into 'bind-9.20'

See merge request isc-projects/bind9!11583
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