Security update for openssl-1_1

Announcement ID:	SUSE-SU-2026:1290-1
Release Date:	2026-04-13T08:08:55Z
Rating:	important
References:	bsc#1260441 bsc#1260442 bsc#1260443 bsc#1260444
Cross-References:	CVE-2026-28387 CVE-2026-28388 CVE-2026-28389 CVE-2026-31789
CVSS scores:	CVE-2026-28387 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVE-2026-28388 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-28389 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2026-28389 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-31789 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:	openSUSE Leap 15.5 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server 15 SP5 LTSS SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves four vulnerabilities can now be installed.

Description:

This update for openssl-1_1 fixes the following issues:

• CVE-2026-28387: Potential use-after-free in DANE client code (bsc#1260441).
• CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL (bsc#1260442).
• CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo (bsc#1260443).
• CVE-2026-31789: Heap buffer overflow in hexadecimal conversion (bsc#1260444).

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 15.5
  zypper in -t patch SUSE-2026-1290=1
• SUSE Linux Enterprise Micro 5.5
  zypper in -t patch SUSE-SLE-Micro-5.5-2026-1290=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1290=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1290=1
• SUSE Linux Enterprise Server 15 SP5 LTSS
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1290=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1290=1

Package List:

• openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
  • libopenssl1_1-debuginfo-1.1.1l-150500.17.51.1
  • openssl-1_1-debugsource-1.1.1l-150500.17.51.1
  • libopenssl1_1-1.1.1l-150500.17.51.1
  • openssl-1_1-1.1.1l-150500.17.51.1
  • libopenssl-1_1-devel-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-1.1.1l-150500.17.51.1
  • openssl-1_1-debuginfo-1.1.1l-150500.17.51.1
• openSUSE Leap 15.5 (x86_64)
  • libopenssl1_1-32bit-1.1.1l-150500.17.51.1
  • libopenssl-1_1-devel-32bit-1.1.1l-150500.17.51.1
  • libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-32bit-1.1.1l-150500.17.51.1
• openSUSE Leap 15.5 (noarch)
  • openssl-1_1-doc-1.1.1l-150500.17.51.1
• openSUSE Leap 15.5 (aarch64_ilp32)
  • libopenssl1_1-64bit-1.1.1l-150500.17.51.1
  • libopenssl1_1-64bit-debuginfo-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-64bit-1.1.1l-150500.17.51.1
  • libopenssl-1_1-devel-64bit-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
  • libopenssl1_1-debuginfo-1.1.1l-150500.17.51.1
  • openssl-1_1-debugsource-1.1.1l-150500.17.51.1
  • libopenssl1_1-1.1.1l-150500.17.51.1
  • openssl-1_1-1.1.1l-150500.17.51.1
  • libopenssl-1_1-devel-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-1.1.1l-150500.17.51.1
  • openssl-1_1-debuginfo-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
  • libopenssl1_1-debuginfo-1.1.1l-150500.17.51.1
  • openssl-1_1-debugsource-1.1.1l-150500.17.51.1
  • libopenssl1_1-1.1.1l-150500.17.51.1
  • openssl-1_1-1.1.1l-150500.17.51.1
  • libopenssl-1_1-devel-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-1.1.1l-150500.17.51.1
  • openssl-1_1-debuginfo-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
  • libopenssl1_1-32bit-1.1.1l-150500.17.51.1
  • libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-32bit-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
  • libopenssl1_1-debuginfo-1.1.1l-150500.17.51.1
  • openssl-1_1-debugsource-1.1.1l-150500.17.51.1
  • libopenssl1_1-1.1.1l-150500.17.51.1
  • openssl-1_1-1.1.1l-150500.17.51.1
  • libopenssl-1_1-devel-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-1.1.1l-150500.17.51.1
  • openssl-1_1-debuginfo-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
  • libopenssl1_1-32bit-1.1.1l-150500.17.51.1
  • libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-32bit-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
  • libopenssl1_1-debuginfo-1.1.1l-150500.17.51.1
  • openssl-1_1-debugsource-1.1.1l-150500.17.51.1
  • libopenssl1_1-1.1.1l-150500.17.51.1
  • openssl-1_1-1.1.1l-150500.17.51.1
  • libopenssl-1_1-devel-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-1.1.1l-150500.17.51.1
  • openssl-1_1-debuginfo-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
  • libopenssl1_1-32bit-1.1.1l-150500.17.51.1
  • libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-32bit-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
  • libopenssl1_1-debuginfo-1.1.1l-150500.17.51.1
  • openssl-1_1-debugsource-1.1.1l-150500.17.51.1
  • libopenssl1_1-1.1.1l-150500.17.51.1
  • openssl-1_1-1.1.1l-150500.17.51.1
  • libopenssl-1_1-devel-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-1.1.1l-150500.17.51.1
  • openssl-1_1-debuginfo-1.1.1l-150500.17.51.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
  • libopenssl1_1-32bit-1.1.1l-150500.17.51.1
  • libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.51.1
  • libopenssl1_1-hmac-32bit-1.1.1l-150500.17.51.1

References:

• https://www.suse.com/security/cve/CVE-2026-28387.html
• https://www.suse.com/security/cve/CVE-2026-28388.html
• https://www.suse.com/security/cve/CVE-2026-28389.html
• https://www.suse.com/security/cve/CVE-2026-31789.html
• https://bugzilla.suse.com/show_bug.cgi?id=1260441
• https://bugzilla.suse.com/show_bug.cgi?id=1260442
• https://bugzilla.suse.com/show_bug.cgi?id=1260443
• https://bugzilla.suse.com/show_bug.cgi?id=1260444