SUSE-SU-2026:1550-1: moderate: Security update for openssl-1_1

[SLE-UPDATES]

# Security update for openssl-1_1

Announcement ID: SUSE-SU-2026:1550-1  
Release Date: 2026-04-22T09:41:29Z  
Rating: moderate  
References:

  * bsc#1261678

  
Cross-References:

  * CVE-2026-28390

  
CVSS scores:

  * CVE-2026-28390 ( SUSE ):  8.2
    CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2026-28390 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-28390 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
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 one vulnerability can now be installed.

## Description:

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

  * CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS
    EnvelopedData message with KeyTransportRecipientInfo (bsc#1261678).

## 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-2026-1550=1

  * SUSE Linux Enterprise Micro 5.5  
    zypper in -t patch SUSE-SLE-Micro-5.5-2026-1550=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1550=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1550=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1550=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1550=1

## Package List:

  * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
    * libopenssl-1_1-devel-1.1.1l-150500.17.54.1
    * openssl-1_1-debugsource-1.1.1l-150500.17.54.1
    * libopenssl1_1-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-1.1.1l-150500.17.54.1
    * libopenssl1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-1.1.1l-150500.17.54.1
  * openSUSE Leap 15.5 (x86_64)
    * libopenssl1_1-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150500.17.54.1
    * libopenssl-1_1-devel-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.54.1
  * openSUSE Leap 15.5 (noarch)
    * openssl-1_1-doc-1.1.1l-150500.17.54.1
  * openSUSE Leap 15.5 (aarch64_ilp32)
    * libopenssl1_1-hmac-64bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-64bit-debuginfo-1.1.1l-150500.17.54.1
    * libopenssl1_1-64bit-1.1.1l-150500.17.54.1
    * libopenssl-1_1-devel-64bit-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
    * libopenssl-1_1-devel-1.1.1l-150500.17.54.1
    * openssl-1_1-debugsource-1.1.1l-150500.17.54.1
    * libopenssl1_1-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-1.1.1l-150500.17.54.1
    * libopenssl1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64
    x86_64)
    * libopenssl-1_1-devel-1.1.1l-150500.17.54.1
    * openssl-1_1-debugsource-1.1.1l-150500.17.54.1
    * libopenssl1_1-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-1.1.1l-150500.17.54.1
    * libopenssl1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (x86_64)
    * libopenssl1_1-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64
    x86_64)
    * libopenssl-1_1-devel-1.1.1l-150500.17.54.1
    * openssl-1_1-debugsource-1.1.1l-150500.17.54.1
    * libopenssl1_1-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-1.1.1l-150500.17.54.1
    * libopenssl1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (x86_64)
    * libopenssl1_1-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenssl-1_1-devel-1.1.1l-150500.17.54.1
    * openssl-1_1-debugsource-1.1.1l-150500.17.54.1
    * libopenssl1_1-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-1.1.1l-150500.17.54.1
    * libopenssl1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise Server 15 SP5 LTSS (x86_64)
    * libopenssl1_1-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libopenssl-1_1-devel-1.1.1l-150500.17.54.1
    * openssl-1_1-debugsource-1.1.1l-150500.17.54.1
    * libopenssl1_1-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-1.1.1l-150500.17.54.1
    * libopenssl1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-debuginfo-1.1.1l-150500.17.54.1
    * openssl-1_1-1.1.1l-150500.17.54.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (x86_64)
    * libopenssl1_1-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150500.17.54.1
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.54.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-28390.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261678

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