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SUSE 2026-2676-1 Bind Important Memory Exhaustion and Amplification Issues

suse
Calendar Grey June 29, 2026
Dist Suse Esm H88
Update for SUSE addressing important security issues in bind with multiple vulnerabilities needing attention.
An update that solves five vulnerabilities can now be installed.

Summary

## This update for bind fixes the following issues * CVE-2026-3039: BIND 9 server memory exhaustion during GSS-API TKEY negotiation (bsc#1265591). * CVE-2026-3592: Amplification vulnerabilities via self-pointed glue records (bsc#1265592). * CVE-2026-5946: Invalid handling of CLASS != IN (bsc#1265594). * CVE-2026-5950: Unbounded resend loop in BIND 9 resolver (bsc#1265596). * CVE-2026-3593: Heap use-after-free vulnerability in BIND 9 DNS-over-HTTPS implementation (bsc#1265593). Changes for bind: * Update to release 9.18.49 ## 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 15 SP6 LTSS

Topics%20covered

Topics Covered

security advisory SuSE bind important memory exhaustion amplification

References

* bsc#1265591

* bsc#1265592

* bsc#1265593

* bsc#1265594

* bsc#1265596

Cross-

* CVE-2026-3039

* CVE-2026-3592

* CVE-2026-3593

* CVE-2026-5946

* CVE-2026-5950

CVSS scores:

* CVE-2026-3039 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-3039 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-3592 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-3592 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-3593 ( SUSE ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

* CVE-2026-3593 ( NVD ): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

* CVE-2026-3593 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-5946 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2676-1
Release Date: 2026-06-29T09:53:56Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE bind important memory exhaustion amplification

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