SUSE-SU-2026:0371-1: important: Security update for glibc

SLE-UPDATES null at suse.de
Wed Feb 4 08:30:08 UTC 2026 


# Security update for glibc

Announcement ID: SUSE-SU-2026:0371-1  
Release Date: 2026-02-03T18:09:03Z  
Rating: important  
References:

  * bsc#1256437
  * bsc#1256766
  * bsc#1256822
  * bsc#1257005

  
Cross-References:

  * CVE-2025-15281
  * CVE-2026-0861
  * CVE-2026-0915

  
CVSS scores:

  * CVE-2025-15281 ( 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-2025-15281 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-15281 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-0861 ( SUSE ):  8.5
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-0861 ( SUSE ):  7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-0861 ( NVD ):  8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  * CVE-2026-0915 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-0915 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-0915 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

  
Affected Products:

  * Basesystem Module 15-SP7
  * Development Tools Module 15-SP7
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

  
  
An update that solves three vulnerabilities and has one security fix can now be
installed.

## Description:

This update for glibc fixes the following issues:

Security fixes:

  * CVE-2026-0861: Fixed inadequate size check in the memalign suite may result
    in an integer overflow (bsc#1256766).
  * CVE-2026-0915: Fixed uninitialized stack buffer used as DNS query name when
    net==0 in _nss_dns_getnetbyaddr_r (bsc#1256822).
  * CVE-2025-15281: Fixed uninitialized memory may cause the process abort
    (bsc#1257005).

Other fixes:

  * NPTL: Optimize trylock for high cache contention workloads (bsc#1256437).

## 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 15.6  
    zypper in -t patch SUSE-2026-371=1 openSUSE-SLE-15.6-2026-371=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-371=1

  * Development Tools Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-371=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-371=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-371=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586 i686)
    * glibc-2.38-150600.14.40.1
    * glibc-debuginfo-2.38-150600.14.40.1
    * glibc-devel-static-2.38-150600.14.40.1
    * glibc-locale-2.38-150600.14.40.1
    * glibc-locale-base-debuginfo-2.38-150600.14.40.1
    * glibc-profile-2.38-150600.14.40.1
    * libnsl1-debuginfo-2.38-150600.14.40.1
    * glibc-devel-debuginfo-2.38-150600.14.40.1
    * glibc-devel-2.38-150600.14.40.1
    * libnsl1-2.38-150600.14.40.1
    * glibc-locale-base-2.38-150600.14.40.1
    * glibc-debugsource-2.38-150600.14.40.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * glibc-extra-2.38-150600.14.40.1
    * nscd-2.38-150600.14.40.1
    * glibc-utils-src-debugsource-2.38-150600.14.40.1
    * nscd-debuginfo-2.38-150600.14.40.1
    * glibc-utils-2.38-150600.14.40.1
    * glibc-extra-debuginfo-2.38-150600.14.40.1
    * glibc-utils-debuginfo-2.38-150600.14.40.1
  * openSUSE Leap 15.6 (noarch)
    * glibc-info-2.38-150600.14.40.1
    * glibc-html-2.38-150600.14.40.1
    * glibc-i18ndata-2.38-150600.14.40.1
    * glibc-lang-2.38-150600.14.40.1
  * openSUSE Leap 15.6 (x86_64)
    * glibc-devel-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-devel-static-32bit-2.38-150600.14.40.1
    * libnsl1-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-devel-32bit-2.38-150600.14.40.1
    * glibc-utils-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-locale-base-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-profile-32bit-2.38-150600.14.40.1
    * glibc-locale-base-32bit-2.38-150600.14.40.1
    * glibc-32bit-2.38-150600.14.40.1
    * libnsl1-32bit-2.38-150600.14.40.1
    * glibc-utils-32bit-2.38-150600.14.40.1
    * glibc-32bit-debuginfo-2.38-150600.14.40.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * glibc-64bit-debuginfo-2.38-150600.14.40.1
    * glibc-devel-64bit-2.38-150600.14.40.1
    * glibc-devel-64bit-debuginfo-2.38-150600.14.40.1
    * glibc-64bit-2.38-150600.14.40.1
    * libnsl1-64bit-debuginfo-2.38-150600.14.40.1
    * glibc-devel-static-64bit-2.38-150600.14.40.1
    * glibc-locale-base-64bit-2.38-150600.14.40.1
    * glibc-profile-64bit-2.38-150600.14.40.1
    * glibc-utils-64bit-debuginfo-2.38-150600.14.40.1
    * glibc-locale-base-64bit-debuginfo-2.38-150600.14.40.1
    * glibc-utils-64bit-2.38-150600.14.40.1
    * libnsl1-64bit-2.38-150600.14.40.1
  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * glibc-2.38-150600.14.40.1
    * glibc-debuginfo-2.38-150600.14.40.1
    * glibc-locale-2.38-150600.14.40.1
    * glibc-locale-base-debuginfo-2.38-150600.14.40.1
    * glibc-profile-2.38-150600.14.40.1
    * libnsl1-debuginfo-2.38-150600.14.40.1
    * glibc-extra-2.38-150600.14.40.1
    * glibc-devel-debuginfo-2.38-150600.14.40.1
    * nscd-2.38-150600.14.40.1
    * glibc-devel-2.38-150600.14.40.1
    * nscd-debuginfo-2.38-150600.14.40.1
    * libnsl1-2.38-150600.14.40.1
    * glibc-locale-base-2.38-150600.14.40.1
    * glibc-debugsource-2.38-150600.14.40.1
    * glibc-extra-debuginfo-2.38-150600.14.40.1
  * Basesystem Module 15-SP7 (noarch)
    * glibc-info-2.38-150600.14.40.1
    * glibc-i18ndata-2.38-150600.14.40.1
    * glibc-lang-2.38-150600.14.40.1
  * Basesystem Module 15-SP7 (x86_64)
    * libnsl1-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-locale-base-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-locale-base-32bit-2.38-150600.14.40.1
    * glibc-32bit-2.38-150600.14.40.1
    * libnsl1-32bit-2.38-150600.14.40.1
    * glibc-32bit-debuginfo-2.38-150600.14.40.1
  * Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * glibc-debuginfo-2.38-150600.14.40.1
    * glibc-devel-static-2.38-150600.14.40.1
    * glibc-utils-src-debugsource-2.38-150600.14.40.1
    * glibc-debugsource-2.38-150600.14.40.1
    * glibc-utils-2.38-150600.14.40.1
    * glibc-utils-debuginfo-2.38-150600.14.40.1
  * Development Tools Module 15-SP7 (x86_64)
    * glibc-devel-32bit-2.38-150600.14.40.1
    * glibc-devel-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-32bit-debuginfo-2.38-150600.14.40.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * glibc-2.38-150600.14.40.1
    * glibc-debuginfo-2.38-150600.14.40.1
    * glibc-devel-static-2.38-150600.14.40.1
    * glibc-locale-2.38-150600.14.40.1
    * glibc-locale-base-debuginfo-2.38-150600.14.40.1
    * glibc-profile-2.38-150600.14.40.1
    * libnsl1-debuginfo-2.38-150600.14.40.1
    * glibc-extra-2.38-150600.14.40.1
    * glibc-devel-debuginfo-2.38-150600.14.40.1
    * glibc-utils-src-debugsource-2.38-150600.14.40.1
    * nscd-2.38-150600.14.40.1
    * glibc-devel-2.38-150600.14.40.1
    * nscd-debuginfo-2.38-150600.14.40.1
    * libnsl1-2.38-150600.14.40.1
    * glibc-locale-base-2.38-150600.14.40.1
    * glibc-debugsource-2.38-150600.14.40.1
    * glibc-utils-2.38-150600.14.40.1
    * glibc-extra-debuginfo-2.38-150600.14.40.1
    * glibc-utils-debuginfo-2.38-150600.14.40.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
    * glibc-info-2.38-150600.14.40.1
    * glibc-i18ndata-2.38-150600.14.40.1
    * glibc-lang-2.38-150600.14.40.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
    * glibc-devel-32bit-debuginfo-2.38-150600.14.40.1
    * libnsl1-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-devel-32bit-2.38-150600.14.40.1
    * glibc-locale-base-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-locale-base-32bit-2.38-150600.14.40.1
    * glibc-32bit-2.38-150600.14.40.1
    * libnsl1-32bit-2.38-150600.14.40.1
    * glibc-32bit-debuginfo-2.38-150600.14.40.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * glibc-2.38-150600.14.40.1
    * glibc-debuginfo-2.38-150600.14.40.1
    * glibc-devel-static-2.38-150600.14.40.1
    * glibc-locale-2.38-150600.14.40.1
    * glibc-locale-base-debuginfo-2.38-150600.14.40.1
    * glibc-profile-2.38-150600.14.40.1
    * libnsl1-debuginfo-2.38-150600.14.40.1
    * glibc-extra-2.38-150600.14.40.1
    * glibc-devel-debuginfo-2.38-150600.14.40.1
    * glibc-utils-src-debugsource-2.38-150600.14.40.1
    * nscd-2.38-150600.14.40.1
    * glibc-devel-2.38-150600.14.40.1
    * nscd-debuginfo-2.38-150600.14.40.1
    * libnsl1-2.38-150600.14.40.1
    * glibc-locale-base-2.38-150600.14.40.1
    * glibc-debugsource-2.38-150600.14.40.1
    * glibc-utils-2.38-150600.14.40.1
    * glibc-extra-debuginfo-2.38-150600.14.40.1
    * glibc-utils-debuginfo-2.38-150600.14.40.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
    * glibc-info-2.38-150600.14.40.1
    * glibc-i18ndata-2.38-150600.14.40.1
    * glibc-lang-2.38-150600.14.40.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
    * glibc-devel-32bit-debuginfo-2.38-150600.14.40.1
    * libnsl1-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-devel-32bit-2.38-150600.14.40.1
    * glibc-locale-base-32bit-debuginfo-2.38-150600.14.40.1
    * glibc-locale-base-32bit-2.38-150600.14.40.1
    * glibc-32bit-2.38-150600.14.40.1
    * libnsl1-32bit-2.38-150600.14.40.1
    * glibc-32bit-debuginfo-2.38-150600.14.40.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-15281.html
  * https://www.suse.com/security/cve/CVE-2026-0861.html
  * https://www.suse.com/security/cve/CVE-2026-0915.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1256437
  * https://bugzilla.suse.com/show_bug.cgi?id=1256766
  * https://bugzilla.suse.com/show_bug.cgi?id=1256822
  * https://bugzilla.suse.com/show_bug.cgi?id=1257005

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