Alerts This Week
Warning Icon 1 485
Alerts This Week
Warning Icon 1 485

SUSE Linux Micro 6.2 Resolves Major Connectivity Issues with glibc

suse
Calendar Grey April 13, 2026
Dist Suse Esm H88
SUSE delivers a vital update for glibc addressing two DNS-related issues, enhancing system security and performance.
An update that solves two vulnerabilities and has one fix can now be installed.

Summary

## This update for glibc fixes the following issues: Security fixes: * CVE-2026-4437: incorrect DNS response parsing via crafted DNS server response (bsc#1260078). * CVE-2026-4438: invalid DNS hostname returned via gethostbyaddr functions (bsc#1260082). Other fixes: * nss: Missing checks in __nss_configure_lookup, __nss_database_get (bsc#1258319). ## 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 Micro Extras 6.2 zypper in -t patch SUSE-SLE-Micro-Extras-6.2-516=1 ## Package List: * SUSE Linux Micro Extras 6.2 (aarch64 ppc64le s390x x86_64) * glibc-debuginfo-2.40-160000.4.1 * glibc-gconv-modules-extra-2.40-160000.4.1

Topics%20covered

Topics Covered

security advisory SuSE software update important glibc DNS issue

References

* bsc#1258319

* bsc#1260078

* bsc#1260082

Cross-

* CVE-2026-4437

* CVE-2026-4438

CVSS scores:

* CVE-2026-4437 ( SUSE ): 5.7

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2026-4437 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

* CVE-2026-4437 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-4438 ( SUSE ): 5.7

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

* CVE-2026-4438 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

* CVE-2026-4438 ( NVD ): 5.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Products:

* SUSE Linux Micro 6.2

* SUSE Linux Micro Extras 6.2

An update that solves two vulnerabilities and has one fix can now be installed.

##

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20999-1
Release Date: 2026-04-10T07:11:54Z
Rating: important

Topics%20covered

Topics Covered

security advisory SuSE software update important glibc DNS issue

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here