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openSUSE glibc Important Remote Crash Attack Vulnerability 2026-2333-1

opensuse
Calendar Grey June 10, 2026
Dist Opensuse Esm H88
Update for glibc resolves critical issues affecting openSUSE attacks, including remote crash vulnerability and data leaks.
An update that solves three vulnerabilities can now be installed.

Description

This update for glibc fixes the following issues

* CVE-2026-4046: assertion failure when converting inputs may be used to

remotely crash an application (bsc#1261206).

* CVE-2026-5450: stdio-common: scanf %mc pattern will cause heap overflow when

width > 1024 (bsc#1262465).

* CVE-2026-5928: libio: ungetwc could be used to leak data on special

conditions (bsc#1262464).

Topics%20covered

Topics Covered

security advisory remote attack important glibc data leak 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:

* openSUSE Leap 15.3

zypper in -t patch SUSE-2026-2333=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2333=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2333=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2333=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2333=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-2333=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2333=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2333=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15...

Read the Full Advisory

Package List

* openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586 i686)

* glibc-debuginfo-2.31-150300.101.1

* glibc-devel-2.31-150300.101.1

* glibc-locale-base-2.31-150300.101.1

* glibc-locale-2.31-150300.101.1

* glibc-profile-2.31-150300.101.1

* glibc-devel-debuginfo-2.31-150300.101.1

* glibc-debugsource-2.31-150300.101.1

* glibc-devel-static-2.31-150300.101.1

* glibc-2.31-150300.101.1

* glibc-locale-base-debuginfo-2.31-150300.101.1

* openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)

* glibc-utils-2.31-150300.101.1

* glibc-utils-src-debugsource-2.31-150300.101.1

* nscd-2.31-150300.101.1

* nscd-debuginfo-2.31-150300.101.1

* glibc-extra-debuginfo-2.31-150300.101.1

* glibc-utils-debuginfo-2.31-150300.101.1

* glibc-extra-2.31-150300.101.1

* openSUSE Leap 15.3 (noarch)

* glibc-html-2.31-150300.101.1

* glibc-info-2.31-150300.101.1

* glibc-lang-2.31-150300.101.1

* glibc-i18ndata-2.31-150300.101.1

* openSUSE Leap 15.3 (x86_64)

* glibc-devel-static-32bit-2.31-150300.101.1

* glibc-profile-32bit-2.31-150300.101.1

*...

Read the Full Advisory

References

* bsc#1261206

* bsc#1262464

* bsc#1262465

## References:

* https://www.suse.com/security/cve/CVE-2026-4046.html

* https://www.suse.com/security/cve/CVE-2026-5450.html

* https://www.suse.com/security/cve/CVE-2026-5928.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261206

* https://bugzilla.suse.com/show_bug.cgi?id=1262464

* https://bugzilla.suse.com/show_bug.cgi?id=1262465

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2333-1
Release Date: 2026-06-10T08:42:34Z
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

Topics%20covered

Topics Covered

security advisory remote attack important glibc data leak OpenSUSE

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