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SUSE Linux Micro 6.0 experiences Moderate Out-Of-Bounds Write and Crash

suse
Calendar Grey July 8, 2026
Dist Suse Esm H88
SUSE Linux Micro 6.0 receives a moderate security update for glibc addressing important issues.
An update that solves two vulnerabilities can now be installed.

Summary

## 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: * SUSE Linux Micro 6.0 zypper in -t patch SUSE-SLE-Micro-6.0-784=1 ## Package List: * SUSE Linux Micro 6.0 (aarch64 s390x x86_64) * glibc-debugsource-2.38-14.1 * glibc-locale-base-2.38-14.1 * glibc-devel-2.38-14.1 * glibc-debuginfo-2.38-14.1 * glibc-locale-2.38-14.1

Topics%20covered

Topics Covered

security advisory moderate SuSE glibc information disclosure application crash

References

* bsc#1263656

* bsc#1263658

Cross-

* 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:

* SUSE Linux Micro 6.0

An update that solves two vulnerabilities can now be installed.

##

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

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22523-1
Release Date: 2026-07-06T13:14:21Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE glibc information disclosure application crash

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