SUSE alert SUSE-SU-2026:2440-1 (glibc)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:2440-1: important: Security update for glibc
Date:
             
 
Thu, 18 Jun 2026 12:30:24 -0000
Message-ID:
             
 
<178178582460.818.9731861462524468494@0bb3c51d4055>
# Security update for glibc

Announcement ID: SUSE-SU-2026:2440-1  
Release Date: 2026-06-18T07:08:20Z  
Rating: important  
References:

  * bsc#1261206
  * bsc#1262464
  * bsc#1262465

  
Cross-References:

  * 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
  * CVE-2026-5928 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves three vulnerabilities can now be installed.

## Description:

This update for glibc fixes the following issues:

  * CVE-2026-5928: libio: Fix ungetwc operating on byte stream (bsc#1262464, BZ
    #33998)
  * CVE-2026-5450: stdio-common: Fix buffer overflow in scanf %mc (bsc#1262465,
    BZ #34008)
  * CVE-2026-4046: Use pending character state in IBM1390, IBM1399 character
    sets (bsc#1261206, BZ #33980)

## 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 Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2440=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2440=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
    * glibc-i18ndata-2.22-114.46.1
    * glibc-info-2.22-114.46.1
    * glibc-html-2.22-114.46.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * glibc-devel-debuginfo-2.22-114.46.1
    * glibc-profile-2.22-114.46.1
    * nscd-debuginfo-2.22-114.46.1
    * glibc-devel-static-2.22-114.46.1
    * glibc-2.22-114.46.1
    * glibc-devel-2.22-114.46.1
    * nscd-2.22-114.46.1
    * glibc-locale-2.22-114.46.1
    * glibc-debuginfo-2.22-114.46.1
    * glibc-locale-debuginfo-2.22-114.46.1
    * glibc-debugsource-2.22-114.46.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * glibc-locale-debuginfo-32bit-2.22-114.46.1
    * glibc-locale-32bit-2.22-114.46.1
    * glibc-devel-32bit-2.22-114.46.1
    * glibc-debuginfo-32bit-2.22-114.46.1
    * glibc-profile-32bit-2.22-114.46.1
    * glibc-devel-debuginfo-32bit-2.22-114.46.1
    * glibc-32bit-2.22-114.46.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * glibc-locale-2.22-114.46.1
    * glibc-devel-debuginfo-2.22-114.46.1
    * glibc-locale-debuginfo-32bit-2.22-114.46.1
    * glibc-profile-2.22-114.46.1
    * nscd-debuginfo-2.22-114.46.1
    * glibc-locale-32bit-2.22-114.46.1
    * glibc-devel-32bit-2.22-114.46.1
    * glibc-devel-static-2.22-114.46.1
    * glibc-2.22-114.46.1
    * glibc-devel-2.22-114.46.1
    * glibc-debuginfo-32bit-2.22-114.46.1
    * nscd-2.22-114.46.1
    * glibc-profile-32bit-2.22-114.46.1
    * glibc-devel-debuginfo-32bit-2.22-114.46.1
    * glibc-debuginfo-2.22-114.46.1
    * glibc-locale-debuginfo-2.22-114.46.1
    * glibc-debugsource-2.22-114.46.1
    * glibc-32bit-2.22-114.46.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
    * glibc-i18ndata-2.22-114.46.1
    * glibc-info-2.22-114.46.1
    * glibc-html-2.22-114.46.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-4046.html
  * https://www.suse.com/security/cve/CVE-2026-5450.html
  * https://www.suse.com/security/cve/CVE-2026-5928.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261206
  * https://bugzilla.suse.com/show_bug.cgi?id=1262464
  * https://bugzilla.suse.com/show_bug.cgi?id=1262465



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