Skip to main content

Mondoo

Vulnerability Management
Technology
Services

Solutions

Financial Services
Manufacturing
Healthcare

Resources

Blog
Vulnerability Database
Documentation
GitHub

Company

About
Careers
Partners
Contact

Legal

Privacy
Terms
Imprint

© 2026 Mondoo, Inc.

Log in Get Assessment

Vulnerability IntelligenceSUSE-SU-2026:21780-1

SUSE-SU-2026:21780-1

HIGH7.5

Security update for glibc

Published May 18, 2026

Modified 4 months ago

Fix available

Details

Description of the patch:

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).

Affected Packages

glibc-gconv-modules-extra

SUSE Linux Micro Extras 6.2

Fixed in:

2.40-160000.5.1

References

https://bugzilla.suse.com/1261206

https://bugzilla.suse.com/1262464

https://bugzilla.suse.com/1262465

https://lists.suse.com/pipermail/sle-updates/2026-May/046736.html

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

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

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

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

https://www.suse.com/support/update/announcement/2026/suse-su-202621780-1/

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Upstream

CVE-2026-4046 CVE-2026-5450 CVE-2026-5928

Ecosystems

SUSE Linux Micro Extras 6.2

Timeline

PublishedMay 18, 2026

ModifiedMay 18, 2026

SUSE-SU-2026:21780-1 | Mondoo Vulnerability Intelligence