SUSE-SU-2026:3030-1

MEDIUM5.3

Security update for glibc

Published Jul 15, 2026

Modified 1 weeks ago

Fix available

Details

Description of the patch:

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).

Affected Packages(17 packages)

glibc

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-32bit

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-devel

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-extra

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-i18ndata

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-info

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-lang

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-locale

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-locale-base

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

glibc-locale-base-32bit

SUSE Linux Enterprise Desktop 15 SP7SUSE Linux Enterprise High Performance Computing 15 SP7SUSE Linux Enterprise Module for Basesystem 15 SP7SUSE Linux Enterprise Server 15 SP6SUSE Linux Enterprise Server 15 SP6-LTSS

Fixed in:

2.38-150600.14.52.1

References

https://bugzilla.suse.com/1263656

https://bugzilla.suse.com/1263658

https://lists.suse.com/pipermail/sle-updates/2026-July/048302.html

https://www.suse.com/security/cve/CVE-2026-5435/

https://www.suse.com/security/cve/CVE-2026-6238/

https://www.suse.com/support/security/rating/

https://www.suse.com/support/update/announcement/2026/suse-su-20263030-1/

CVSS Analysis

CVSS v3.1

5.3

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

LowI:L

Availability

LowA:L

5.3/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Upstream

CVE-2026-5435 CVE-2026-6238

Ecosystems(9)

SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise Module for Development Tools 15 SP7 SUSE Linux Enterprise Server 15 SP6

Timeline

PublishedJul 15, 2026

ModifiedJul 15, 2026

SUSE-SU-2026:3030-1 | Mondoo Vulnerability Intelligence