Alerts This Week
Warning Icon 1 764
Alerts This Week
Warning Icon 1 764

openSUSE glibc Important Fix Data Leak Heap Overflow SUSE-2026-2333-1

suse
Calendar Grey June 10, 2026
Dist Suse Esm H88
Update for glibc addresses important vulnerabilities with chances of data leaks and application crashes.
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: * openSUSE Leap 15.3 zypper in -t patch SUSE-2026-2333=1 * SUSE Linux Enterprise Micro for Rancher 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2333=1 * SUSE Linux Enterprise Micro 5.3 zypper in -t patch SUSE-SLE-Micro-5.3-2026-2333=1

Topics%20covered

Topics Covered

security advisory important heap overflow glibc data leak OpenSUSE

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-2026:2333-1
Release Date: 2026-06-10T08:42:34Z
Rating: important

Topics%20covered

Topics Covered

security advisory important heap overflow glibc data leak OpenSUSE

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here