[Buildroot] [git commit] package/bind: security bump version to 9.20.26

commit: https://gitlab.com/buildroot.org/buildroot/-/commit/8c96a8981f40689c352910372404216ab0d9482e
branch: https://gitlab.com/buildroot.org/buildroot/-/tree/master

https://downloads.isc.org/isc/bind9/9.20.26/doc/arm/html/notes.html#notes-for-bind-9-20-26
https://downloads.isc.org/isc/bind9/9.20.26/doc/arm/html/changelog.html
https://seclists.org/oss-sec/2026/q3/208

Fixes

CVE-2026-10723: Incorrect acceptance of NSEC3 records
CVE-2026-10822: Key Record using PRIVATEDNS algorithm may lead to unexpected exit
CVE-2026-11331: Potential wildcard CNAME RPZ policy bypass
CVE-2026-11605: Unnecessary validation of DNSSEC signed records
CVE-2026-11622: Potential memory usage beyond configured limits
CVE-2026-11721: Cache poisoning possible with label count discrepancy, RRSIG, and wildcards
CVE-2026-12617: Record ordering based unexpected exit with CNAME or DNAME
CVE-2026-13204: Unexpected exit in certain situations with NSEC and NSEC3 both present
CVE-2026-13321: DNSSEC Validation Bypass via Out-of-Zone NSEC Next Field

Signed-off-by: Bernd Kuhls <[email protected]>
[Julien: update pgp key id in hash file comment]
Signed-off-by: Julien Olivain <[email protected]>
---
 package/bind/bind.hash | 6 +++---
 package/bind/bind.mk   | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/package/bind/bind.hash b/package/bind/bind.hash
index a1ff3c6101..36ff7b2d0a 100644
--- a/package/bind/bind.hash
+++ b/package/bind/bind.hash
@@ -1,4 +1,4 @@
-# Verified from https://ftp.isc.org/isc/bind9/9.20.24/bind-9.20.24.tar.xz.asc
-# with key D99CCEAF879747014F038D63182E23579462EFAA
-sha256  989fef1fc88ea59d04cd86f854dca5a4616a20a9968bcdde3c1a3668ab36be08  bind-9.20.24.tar.xz
+# Verified from https://ftp.isc.org/isc/bind9/9.20.26/bind-9.20.26.tar.xz.asc
+# with key 706B6C28620E76F91D11F7DF510A642A06C52CEC
+sha256  55248def0f870c4c46b3de72978ea972615131516663188a4564dca1d20bf350  bind-9.20.26.tar.xz
 sha256  9734825d67a3ac967b2c2f7c9a83c9e5db1c2474dbe9599157c3a4188749ebd4  COPYRIGHT
diff --git a/package/bind/bind.mk b/package/bind/bind.mk
index 2b8156d0d0..172bbf79b5 100644
--- a/package/bind/bind.mk
+++ b/package/bind/bind.mk
@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-BIND_VERSION = 9.20.24
+BIND_VERSION = 9.20.26
 BIND_SOURCE= bind-$(BIND_VERSION).tar.xz
 BIND_SITE = https://ftp.isc.org/isc/bind9/$(BIND_VERSION)
 BIND_INSTALL_STAGING = YES
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