SUSE-SU-2026:4635-1: important: Security update for bind
SLE-SECURITY-UPDATES
null at suse.de
Tue Oct 13 12:31:00 UTC 2026
# Security update for bind
Announcement ID: SUSE-SU-2026:4635-1
Release Date: 2026-10-13T07:42:58Z
Rating: important
References:
* bsc#1280430
* bsc#1280432
* bsc#1280433
* bsc#1280435
* bsc#1280437
* bsc#1280438
* bsc#1280442
* bsc#1280443
Cross-References:
* CVE-2026-19033
* CVE-2026-19662
* CVE-2026-19666
* CVE-2026-19667
* CVE-2026-19941
* CVE-2026-75029
* CVE-2026-78301
* CVE-2026-80274
CVSS scores:
* CVE-2026-19033 ( SUSE ): 8.3
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
* CVE-2026-19033 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
* CVE-2026-19033 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L
* CVE-2026-19662 ( SUSE ): 8.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-19662 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-19662 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-19666 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-19666 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-19666 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-19667 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-19667 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-19667 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-19941 ( SUSE ): 8.2
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
* CVE-2026-19941 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-19941 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
* CVE-2026-75029 ( SUSE ): 6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
* CVE-2026-75029 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-75029 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-78301 ( SUSE ): 8.9
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N
* CVE-2026-78301 ( SUSE ): 5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
* CVE-2026-78301 ( NVD ): 5.8 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
* CVE-2026-80274 ( SUSE ): 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
* CVE-2026-80274 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2026-80274 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves eight vulnerabilities can now be installed.
## Description:
This update for bind fixes the following issues:
* CVE-2026-19033: Unauthenticated IXFR deltas are applied to the live zone
before TSIG verification (bsc#1280430).
* CVE-2026-19662: qpcache NOQNAME proof use-after-free crashes recursive
resolver (bsc#1280432).
* CVE-2026-19666: Use-after-free in query_addnoqnameproof() via the DNS64
filter64 path (bsc#1280433).
* CVE-2026-19667: Remote assertion failure via 16-bit length truncation in
dns_ncache_add() (bsc#1280435).
* CVE-2026-19941: checkwildcard() accepts an out-of-zone NSEC as a wildcard-
nonexistence proof (bsc#1280437).
* CVE-2026-75029: Message parser retains every identical singleton RDATA,
enabling wire-to-work amplification (bsc#1280438).
* CVE-2026-78301: Out-of-zone database nodes can become authoritative zone
cuts (bsc#1280442).
* CVE-2026-80274: Validating resolver can abort while caching a mismatched
NOQNAME proof (bsc#1280443).
## Patch Instructions:
To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Server 12 SP5 LTSS
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-4635
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4635
## Package List:
* SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
* libisccc161-9.11.22-3.77.1
* libirs161-9.11.22-3.77.1
* libisc1107-debuginfo-9.11.22-3.77.1
* liblwres161-9.11.22-3.77.1
* bind-chrootenv-9.11.22-3.77.1
* libirs161-debuginfo-9.11.22-3.77.1
* bind-debuginfo-9.11.22-3.77.1
* bind-9.11.22-3.77.1
* bind-utils-debuginfo-9.11.22-3.77.1
* libisccfg163-debuginfo-9.11.22-3.77.1
* libdns1110-debuginfo-9.11.22-3.77.1
* libisccc161-debuginfo-9.11.22-3.77.1
* bind-utils-9.11.22-3.77.1
* libdns1110-9.11.22-3.77.1
* libbind9-161-debuginfo-9.11.22-3.77.1
* libbind9-161-9.11.22-3.77.1
* bind-devel-9.11.22-3.77.1
* libisccfg163-9.11.22-3.77.1
* bind-debugsource-9.11.22-3.77.1
* liblwres161-debuginfo-9.11.22-3.77.1
* libisc1107-9.11.22-3.77.1
* SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
* bind-doc-9.11.22-3.77.1
* python-bind-9.11.22-3.77.1
* SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
* libisc1107-32bit-9.11.22-3.77.1
* libisc1107-debuginfo-32bit-9.11.22-3.77.1
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
* libisccc161-9.11.22-3.77.1
* libirs161-9.11.22-3.77.1
* libisc1107-debuginfo-9.11.22-3.77.1
* liblwres161-9.11.22-3.77.1
* bind-chrootenv-9.11.22-3.77.1
* libirs161-debuginfo-9.11.22-3.77.1
* bind-debuginfo-9.11.22-3.77.1
* bind-9.11.22-3.77.1
* bind-utils-debuginfo-9.11.22-3.77.1
* libisccfg163-debuginfo-9.11.22-3.77.1
* libdns1110-debuginfo-9.11.22-3.77.1
* libisccc161-debuginfo-9.11.22-3.77.1
* bind-utils-9.11.22-3.77.1
* libdns1110-9.11.22-3.77.1
* libbind9-161-debuginfo-9.11.22-3.77.1
* libbind9-161-9.11.22-3.77.1
* bind-devel-9.11.22-3.77.1
* libisccfg163-9.11.22-3.77.1
* bind-debugsource-9.11.22-3.77.1
* libisc1107-32bit-9.11.22-3.77.1
* liblwres161-debuginfo-9.11.22-3.77.1
* libisc1107-debuginfo-32bit-9.11.22-3.77.1
* libisc1107-9.11.22-3.77.1
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
* bind-doc-9.11.22-3.77.1
* python-bind-9.11.22-3.77.1
## References:
* https://www.suse.com/security/cve/CVE-2026-19033.html
* https://www.suse.com/security/cve/CVE-2026-19662.html
* https://www.suse.com/security/cve/CVE-2026-19666.html
* https://www.suse.com/security/cve/CVE-2026-19667.html
* https://www.suse.com/security/cve/CVE-2026-19941.html
* https://www.suse.com/security/cve/CVE-2026-75029.html
* https://www.suse.com/security/cve/CVE-2026-78301.html
* https://www.suse.com/security/cve/CVE-2026-80274.html
* https://bugzilla.suse.com/show_bug.cgi?id=1280430
* https://bugzilla.suse.com/show_bug.cgi?id=1280432
* https://bugzilla.suse.com/show_bug.cgi?id=1280433
* https://bugzilla.suse.com/show_bug.cgi?id=1280435
* https://bugzilla.suse.com/show_bug.cgi?id=1280437
* https://bugzilla.suse.com/show_bug.cgi?id=1280438
* https://bugzilla.suse.com/show_bug.cgi?id=1280442
* https://bugzilla.suse.com/show_bug.cgi?id=1280443
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