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SUSE Linux Micro 6.1 Expat Buffer Overflow NULL Deref Issue 2026-20481-1

suse
Calendar Grey February 27, 2026
Dist Suse Esm H88
Update for expat fixes critical issues related to NULL dereference and buffer overflow. Immediate attention recommended.
An update that solves two vulnerabilities can now be installed.

Summary

## This update for expat fixes the following issues: * CVE-2026-24515: failure to copy the encoding handler data passed to XML_SetUnknownEncodingHandler may cause a NULL dereference (bsc#1257144). * CVE-2026-25210: lack of buffer size check can lead to an integer overflow (bsc#1257496). ## 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 6.1 zypper in -t patch SUSE-SLE-Micro-6.1-410=1 ## Package List: * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64) * expat-debugsource-2.7.1-slfo.1.1_4.1 * libexpat1-2.7.1-slfo.1.1_4.1 * libexpat1-debuginfo-2.7.1-slfo.1.1_4.1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important integer overflow null dereference

References

* bsc#1257144

* bsc#1257496

Cross-

* CVE-2026-24515

* CVE-2026-25210

CVSS scores:

* CVE-2026-24515 ( SUSE ): 6.8

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-24515 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-24515 ( NVD ): 2.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-24515 ( NVD ): 2.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

* CVE-2026-25210 ( SUSE ): 7.3

CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

* CVE-2026-25210 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L

* CVE-2026-25210 ( NVD ): 6.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected Products:

* SUSE Linux Micro 6.1

An update that solves two vulnerabilities can now be installed.

##

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:20481-1
Release Date: 2026-02-17T09:33:51Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important integer overflow null dereference

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