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openSUSE 15.6 glibc Moderate DNS Issues Fix 2026-1369-1 CVE-2026-4437,4438

opensuse
Calendar Grey April 15, 2026
Dist Opensuse Esm H88
Update for glibc addresses moderate vulnerabilities affecting openSUSE systems. Learn how to apply security fixes.
An update that solves two vulnerabilities can now be installed.

Description

This update for glibc fixes the following issues:

* 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).

Topics%20covered

Topics Covered

security advisory moderate glibc DNS issue OpenSUSE

Patch

## 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:

* Development Tools Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-1369=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-1369=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-1369=1

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-1369=1 openSUSE-SLE-15.6-2026-1369=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1369=1

Package List

* Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)

* glibc-utils-2.38-150600.14.46.1

* glibc-devel-static-2.38-150600.14.46.1

* glibc-debuginfo-2.38-150600.14.46.1

* glibc-utils-src-debugsource-2.38-150600.14.46.1

* glibc-debugsource-2.38-150600.14.46.1

* glibc-utils-debuginfo-2.38-150600.14.46.1

* Development Tools Module 15-SP7 (x86_64)

* glibc-32bit-debuginfo-2.38-150600.14.46.1

* glibc-devel-32bit-2.38-150600.14.46.1

* glibc-devel-32bit-debuginfo-2.38-150600.14.46.1

* SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)

* libnsl1-debuginfo-2.38-150600.14.46.1

* glibc-utils-2.38-150600.14.46.1

* glibc-2.38-150600.14.46.1

* glibc-extra-2.38-150600.14.46.1

* glibc-devel-static-2.38-150600.14.46.1

* nscd-2.38-150600.14.46.1

* glibc-debuginfo-2.38-150600.14.46.1

* glibc-extra-debuginfo-2.38-150600.14.46.1

* glibc-locale-base-2.38-150600.14.46.1

* glibc-utils-src-debugsource-2.38-150600.14.46.1

* glibc-devel-2.38-150600.14.46.1

* glibc-profile-2.38-150600.14.46.1

*...

Read the Full Advisory

References

* bsc#1260078

* bsc#1260082

## References:

* https://www.suse.com/security/cve/CVE-2026-4437.html

* https://www.suse.com/security/cve/CVE-2026-4438.html

* https://bugzilla.suse.com/show_bug.cgi?id=1260078

* https://bugzilla.suse.com/show_bug.cgi?id=1260082

Announcement ID: SUSE-SU-2026:1369-1
Release Date: 2026-04-15T14:43:10Z
Affected Products: * Basesystem Module 15-SP7 * Development Tools Module 15-SP7 * openSUSE Leap 15.6 * SUSE Linux Enterprise Desktop 15 SP7 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory moderate glibc DNS issue OpenSUSE

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