Security update for memcached

Announcement ID:	SUSE-SU-2026:2293-1
Release Date:	2026-06-08T08:53:01Z
Rating:	important
References:	bsc#1265873 bsc#1265881
Cross-References:	CVE-2026-47783 CVE-2026-47784
CVSS scores:	CVE-2026-47783 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-47783 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-47784 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2026-47784 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:	openSUSE Leap 15.3 openSUSE Leap 15.4 openSUSE Leap 15.5 openSUSE Leap 15.6 Server Applications Module 15-SP7 SUSE Linux Enterprise Desktop 15 SUSE Linux Enterprise Desktop 15 SP1 SUSE Linux Enterprise Desktop 15 SP2 SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise Desktop 15 SP5 SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP3 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 SUSE Linux Enterprise Real Time 15 SP1 SUSE Linux Enterprise Real Time 15 SP2 SUSE Linux Enterprise Real Time 15 SP3 SUSE Linux Enterprise Real Time 15 SP4 SUSE Linux Enterprise Real Time 15 SP5 SUSE Linux Enterprise Real Time 15 SP6 SUSE Linux Enterprise Real Time 15 SP7 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server 15 SP5 LTSS 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 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP7 SUSE Manager Client Tools for SLE 15

An update that solves two vulnerabilities can now be installed.

Description:

This update for memcached fixes the following issues

• CVE-2026-47783: timing side-channel in SASL password database authentication (username) (bsc#1265873).
• CVE-2026-47784: timing side-channel in SASL password database authentication (password) (bsc#1265881).

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 Manager Client Tools for SLE 15
  zypper in -t patch SUSE-SLE-Manager-Tools-15-2026-2293=1
• Server Applications Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2293=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2293=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2293=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2293=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2293=1
• SUSE Linux Enterprise Server 15 SP4 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2293=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2293=1
• SUSE Linux Enterprise Server 15 SP6 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2293=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-2293=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2293=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2293=1

Package List:

• SUSE Manager Client Tools for SLE 15 (aarch64 ppc64le s390x x86_64)
  • memcached-1.5.6-150000.4.10.1
• Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
  • memcached-debugsource-1.5.6-150000.4.10.1
  • memcached-1.5.6-150000.4.10.1
  • memcached-debuginfo-1.5.6-150000.4.10.1
  • memcached-devel-1.5.6-150000.4.10.1

References:

• https://www.suse.com/security/cve/CVE-2026-47783.html
• https://www.suse.com/security/cve/CVE-2026-47784.html
• https://bugzilla.suse.com/show_bug.cgi?id=1265873
• https://bugzilla.suse.com/show_bug.cgi?id=1265881