SUSE-SU-2026:3899-1: important: Security update for sssd

Mon Aug 31 20:32:25 UTC 2026

# Security update for sssd

Announcement ID: SUSE-SU-2026:3899-1  
Release Date: 2026-08-31T15:06:03Z  
Rating: important  
References:

  * bsc#1273009
  * bsc#1273922
  * bsc#1273924
  * bsc#1273925

Cross-References:

  * CVE-2026-68742
  * CVE-2026-68743
  * CVE-2026-68744

CVSS scores:

  * CVE-2026-68742 ( SUSE ):  6.9
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-68742 ( SUSE ):  6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
  * CVE-2026-68742 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-68743 ( 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-2026-68743 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-68743 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-68743 ( NVD ):  7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-68744 ( SUSE ):  4.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-68744 ( SUSE ):  4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
  * CVE-2026-68744 ( NVD ):  3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Products:

  * Basesystem Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * 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 sssd fixes the following issues:

  * CVE-2026-68742: unvalidated address lengths in NSS responder packet parsing
    can cause a heap out-of-bounds read (bsc#1273922).
  * CVE-2026-68743: oversized length parameters in authentication requests can
    cause heap out-of-bounds reads (bsc#1273925).
  * CVE-2026-68744: unshrunk packet allocations during group resolution can
    allow uninitialized heap memory disclosure (bsc#1273924).

Changes for sssd:

  * Warn about ldap_sudo_search_base only if sudo target is enabled
    (bsc#1273009).

## 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:

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3899=1

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libsss_certmap-devel-2.10.2-150700.9.40.1
    * sssd-krb5-debuginfo-2.10.2-150700.9.40.1
    * sssd-ipa-2.10.2-150700.9.40.1
    * sssd-debuginfo-2.10.2-150700.9.40.1
    * libipa_hbac0-2.10.2-150700.9.40.1
    * libsss_certmap0-debuginfo-2.10.2-150700.9.40.1
    * libsss_idmap0-2.10.2-150700.9.40.1
    * sssd-ad-debuginfo-2.10.2-150700.9.40.1
    * libsss_idmap0-debuginfo-2.10.2-150700.9.40.1
    * libsss_simpleifp-devel-2.10.2-150700.9.40.1
    * sssd-krb5-2.10.2-150700.9.40.1
    * sssd-ldap-2.10.2-150700.9.40.1
    * sssd-kcm-debuginfo-2.10.2-150700.9.40.1
    * libsss_certmap0-2.10.2-150700.9.40.1
    * sssd-proxy-debuginfo-2.10.2-150700.9.40.1
    * libsss_simpleifp0-debuginfo-2.10.2-150700.9.40.1
    * sssd-proxy-2.10.2-150700.9.40.1
    * sssd-debugsource-2.10.2-150700.9.40.1
    * libipa_hbac-devel-2.10.2-150700.9.40.1
    * libsss_idmap-devel-2.10.2-150700.9.40.1
    * sssd-dbus-debuginfo-2.10.2-150700.9.40.1
    * python3-sssd-config-2.10.2-150700.9.40.1
    * libsss_simpleifp0-2.10.2-150700.9.40.1
    * sssd-ad-2.10.2-150700.9.40.1
    * sssd-kcm-2.10.2-150700.9.40.1
    * sssd-dbus-2.10.2-150700.9.40.1
    * sssd-tools-2.10.2-150700.9.40.1
    * libsss_nss_idmap0-debuginfo-2.10.2-150700.9.40.1
    * python3-sssd-config-debuginfo-2.10.2-150700.9.40.1
    * sssd-ipa-debuginfo-2.10.2-150700.9.40.1
    * sssd-2.10.2-150700.9.40.1
    * sssd-ldap-debuginfo-2.10.2-150700.9.40.1
    * sssd-krb5-common-debuginfo-2.10.2-150700.9.40.1
    * libsss_nss_idmap0-2.10.2-150700.9.40.1
    * libipa_hbac0-debuginfo-2.10.2-150700.9.40.1
    * sssd-winbind-idmap-2.10.2-150700.9.40.1
    * sssd-krb5-common-2.10.2-150700.9.40.1
    * sssd-tools-debuginfo-2.10.2-150700.9.40.1
    * sssd-winbind-idmap-debuginfo-2.10.2-150700.9.40.1
    * libsss_nss_idmap-devel-2.10.2-150700.9.40.1
  * Basesystem Module 15-SP7 (x86_64)
    * sssd-32bit-2.10.2-150700.9.40.1
    * sssd-32bit-debuginfo-2.10.2-150700.9.40.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-68742.html
  * https://www.suse.com/security/cve/CVE-2026-68743.html
  * https://www.suse.com/security/cve/CVE-2026-68744.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1273009
  * https://bugzilla.suse.com/show_bug.cgi?id=1273922
  * https://bugzilla.suse.com/show_bug.cgi?id=1273924
  * https://bugzilla.suse.com/show_bug.cgi?id=1273925

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