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Alerts This Week
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SUSE Linux Micro 6.1 glibc Important Buffer Overflow Crash 2026-21688-1

suse
Calendar Grey May 21, 2026
Dist Suse Esm H88
Critical update for glibc in SUSE addresses important security issues including buffer overflows. Get fixes now.
An update that solves three vulnerabilities can now be installed.

Summary

## 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). ## 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-6.1-528=1 ## Package List: * SUSE Linux Micro 6.1 (aarch64 ppc64le s390x x86_64) * glibc-2.38-slfo.1.1_8.1 * glibc-devel-2.38-slfo.1.1_8.1 * glibc-locale-base-2.38-slfo.1.1_8.1

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important glibc remote crash

References

* bsc#1261206

* bsc#1262464

* bsc#1262465

Cross-

* CVE-2026-4046

* CVE-2026-5450

* CVE-2026-5928

CVSS scores:

* CVE-2026-4046 ( SUSE ): 8.7

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

* CVE-2026-4046 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-4046 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-5450 ( SUSE ): 5.1

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

* CVE-2026-5450 ( SUSE ): 5.9 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

* CVE-2026-5450 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-5928 ( SUSE ): 5.9

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

* CVE-2026-5928 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:21688-1
Release Date: 2026-05-15T10:38:30Z
Rating: important

Topics%20covered

Topics Covered

security advisory buffer overflow SuSE important glibc remote crash

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