ESB-2026.3415 PUBLISHED CVSS 7.5 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3415 Security update for bind 9 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: bind Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-1519 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20261209-1 Comment: CVSS (Max): 7.5 CVE-2026-1519 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.1% (20th) CVE-2026-1519 2026-04-08 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for bind Announcement ID: SUSE-SU-2026:1209-1 Release Date: 2026-04-08T07:12:48Z Rating: important References: o bsc#1260805 Cross-References: o CVE-2026-1519 o CVE-2026-1519 ( 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 o CVE-2026-1519 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ CVSS scores: S:U/C:N/I:N/A:H o CVE-2026-1519 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o SUSE Linux Enterprise Micro 5.0 o SUSE Linux Enterprise Micro 5.1 o SUSE Linux Enterprise Micro 5.2 Affected o SUSE Linux Enterprise Micro 5.3 Products: o SUSE Linux Enterprise Micro 5.4 o SUSE Linux Enterprise Micro 5.5 o SUSE Manager Client Tools for SLE Micro 5 o SUSE Multi-Linux Manager Client Tools for SLE Micro 5 An update that solves one vulnerability can now be installed. Description: This update for bind fixes the following issues: o CVE-2026-1519: high CPU load during insecure delegation validation due to excessive NSEC3 iterations (bsc#1260805). 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: o SUSE Multi-Linux Manager Client Tools for SLE Micro 5 zypper in -t patch SUSE-MultiLinuxManagerTools-SLE-Micro-5-2026-1209=1 o SUSE Manager Client Tools for SLE Micro 5 zypper in -t patch SUSE-SLE-Manager-Tools-For-Micro-5-2026-1209=1 Package List: o SUSE Multi-Linux Manager Client Tools for SLE Micro 5 (aarch64 ppc64le s390x x86_64) libirs1601-debuginfo-9.16.6-150000.12.88.1 libisccfg1600-9.16.6-150000.12.88.1 libisc1606-debuginfo-9.16.6-150000.12.88.1 libisccfg1600-debuginfo-9.16.6-150000.12.88.1 libns1604-9.16.6-150000.12.88.1 bind-debuginfo-9.16.6-150000.12.88.1 libbind9-1600-9.16.6-150000.12.88.1 libisc1606-9.16.6-150000.12.88.1 libns1604-debuginfo-9.16.6-150000.12.88.1 bind-utils-debuginfo-9.16.6-150000.12.88.1 libdns1605-debuginfo-9.16.6-150000.12.88.1 libdns1605-9.16.6-150000.12.88.1 libisccc1600-debuginfo-9.16.6-150000.12.88.1 bind-utils-9.16.6-150000.12.88.1 libbind9-1600-debuginfo-9.16.6-150000.12.88.1 libirs1601-9.16.6-150000.12.88.1 libisccc1600-9.16.6-150000.12.88.1 bind-debugsource-9.16.6-150000.12.88.1 o SUSE Multi-Linux Manager Client Tools for SLE Micro 5 (noarch) python3-bind-9.16.6-150000.12.88.1 o SUSE Manager Client Tools for SLE Micro 5 (aarch64 s390x x86_64) libisccfg1600-9.16.6-150000.12.88.1 libns1604-9.16.6-150000.12.88.1 libbind9-1600-9.16.6-150000.12.88.1 libisc1606-9.16.6-150000.12.88.1 libns1604-debuginfo-9.16.6-150000.12.88.1 libdns1605-9.16.6-150000.12.88.1 bind-utils-9.16.6-150000.12.88.1 libirs1601-9.16.6-150000.12.88.1 libisccc1600-9.16.6-150000.12.88.1 o SUSE Manager Client Tools for SLE Micro 5 (aarch64_ilp32) libisc1606-64bit-9.16.6-150000.12.88.1 libisccfg1600-64bit-9.16.6-150000.12.88.1 libbind9-1600-64bit-9.16.6-150000.12.88.1 libdns1605-64bit-9.16.6-150000.12.88.1 libisccc1600-64bit-9.16.6-150000.12.88.1 libirs1601-64bit-9.16.6-150000.12.88.1 o SUSE Manager Client Tools for SLE Micro 5 (noarch) python3-bind-9.16.6-150000.12.88.1 References: o https://www.suse.com/security/cve/CVE-2026-1519.html o https://bugzilla.suse.com/show_bug.cgi?id=1260805 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================

Risk Scores

CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

VendorProductVersions
SUSEbind

Timeline

References

Open in Interactive Console →