SUSE-SU-2026:3029-1: moderate: Security update for glibc
SLE-UPDATES
null at suse.de
Wed Jul 15 16:36:42 UTC 2026
# Security update for glibc
Announcement ID: SUSE-SU-2026:3029-1
Release Date: 2026-07-15T09:52:53Z
Rating: moderate
References:
* bsc#1263656
* bsc#1263658
Cross-References:
* CVE-2026-5435
* CVE-2026-6238
CVSS scores:
* CVE-2026-5435 ( SUSE ): 4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
* CVE-2026-5435 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
* CVE-2026-5435 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2026-6238 ( SUSE ): 4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
* CVE-2026-6238 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
* CVE-2026-6238 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected Products:
* openSUSE Leap 15.3
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro 5.5
* SUSE Linux Enterprise Micro for Rancher 5.3
* SUSE Linux Enterprise Micro for Rancher 5.4
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server 15 SP4 LTSS
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server 15 SP5 LTSS
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves two vulnerabilities can now be installed.
## Description:
This update for glibc fixes the following issues
* CVE-2026-5435: unchecked buffer writing in TSIG handling can lead to an out-
of-bounds write (bsc#1263656).
* CVE-2026-6238: insufficient RDATA length validation can lead to application
crashes or uninitialized memory disclosure (bsc#1263658).
## 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:
* openSUSE Leap 15.3
zypper in -t patch SUSE-2026-3029=1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3029=1
* SUSE Linux Enterprise Micro for Rancher 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-3029=1
* SUSE Linux Enterprise Micro 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2026-3029=1
* SUSE Linux Enterprise Server 15 SP5 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3029=1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-3029=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3029=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3029=1
* SUSE Linux Enterprise Micro 5.5
zypper in -t patch SUSE-SLE-Micro-5.5-2026-3029=1
* SUSE Linux Enterprise Server 15 SP4 LTSS
zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3029=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3029=1
* SUSE Linux Enterprise Micro for Rancher 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2026-3029=1
* SUSE Linux Enterprise Micro 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2026-3029=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-3029=1
## Package List:
* openSUSE Leap 15.3 (aarch64 i586 ppc64le s390x x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* openSUSE Leap 15.3 (aarch64 i586 i686 ppc64le s390x x86_64)
* glibc-locale-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* openSUSE Leap 15.3 (x86_64)
* glibc-profile-32bit-2.31-150300.104.1
* glibc-utils-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-utils-32bit-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-devel-static-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* openSUSE Leap 15.3 (noarch)
* glibc-html-2.31-150300.104.1
* glibc-lang-2.31-150300.104.1
* glibc-i18ndata-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* openSUSE Leap 15.3 (aarch64_ilp32)
* glibc-locale-base-64bit-debuginfo-2.31-150300.104.1
* glibc-64bit-2.31-150300.104.1
* glibc-profile-64bit-2.31-150300.104.1
* glibc-devel-64bit-2.31-150300.104.1
* glibc-64bit-debuginfo-2.31-150300.104.1
* glibc-devel-static-64bit-2.31-150300.104.1
* glibc-devel-64bit-debuginfo-2.31-150300.104.1
* glibc-utils-64bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-64bit-2.31-150300.104.1
* glibc-utils-64bit-2.31-150300.104.1
* SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-locale-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise Server 15 SP5 LTSS (noarch)
* glibc-lang-2.31-150300.104.1
* glibc-i18ndata-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
* glibc-locale-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-locale-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (noarch)
* glibc-i18ndata-2.31-150300.104.1
* glibc-lang-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-locale-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (noarch)
* glibc-lang-2.31-150300.104.1
* glibc-i18ndata-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (noarch)
* glibc-i18ndata-2.31-150300.104.1
* glibc-lang-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-locale-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-locale-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (noarch)
* glibc-lang-2.31-150300.104.1
* glibc-i18ndata-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-locale-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise Server 15 SP4 LTSS (noarch)
* glibc-lang-2.31-150300.104.1
* glibc-i18ndata-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
* glibc-locale-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
* glibc-locale-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-locale-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (noarch)
* glibc-i18ndata-2.31-150300.104.1
* glibc-lang-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
* glibc-devel-32bit-2.31-150300.104.1
* glibc-locale-base-32bit-debuginfo-2.31-150300.104.1
* glibc-devel-32bit-debuginfo-2.31-150300.104.1
* glibc-32bit-debuginfo-2.31-150300.104.1
* glibc-locale-base-32bit-2.31-150300.104.1
* glibc-32bit-2.31-150300.104.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
* glibc-utils-src-debugsource-2.31-150300.104.1
* glibc-locale-2.31-150300.104.1
* glibc-utils-debuginfo-2.31-150300.104.1
* glibc-profile-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* nscd-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-utils-2.31-150300.104.1
* glibc-devel-static-2.31-150300.104.1
* glibc-extra-debuginfo-2.31-150300.104.1
* glibc-extra-2.31-150300.104.1
* nscd-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP5 (noarch)
* glibc-i18ndata-2.31-150300.104.1
* glibc-lang-2.31-150300.104.1
* glibc-info-2.31-150300.104.1
* SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
* glibc-locale-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
* SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
* glibc-locale-2.31-150300.104.1
* glibc-locale-base-2.31-150300.104.1
* glibc-devel-2.31-150300.104.1
* glibc-locale-base-debuginfo-2.31-150300.104.1
* glibc-2.31-150300.104.1
* glibc-devel-debuginfo-2.31-150300.104.1
* glibc-debugsource-2.31-150300.104.1
* glibc-debuginfo-2.31-150300.104.1
## References:
* https://www.suse.com/security/cve/CVE-2026-5435.html
* https://www.suse.com/security/cve/CVE-2026-6238.html
* https://bugzilla.suse.com/show_bug.cgi?id=1263656
* https://bugzilla.suse.com/show_bug.cgi?id=1263658
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