SUSE-SU-2026:3443-1: moderate: Security update for openssl-1_0_0

Mon Aug 3 08:31:01 UTC 2026

# Security update for openssl-1_0_0

Announcement ID: SUSE-SU-2026:3443-1  
Release Date: 2026-07-31T19:27:36Z  
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
  * 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:

  * Legacy Module 15-SP7
  * SUSE Linux Enterprise High Performance Computing 15 SP4
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  * 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 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

An update that solves one vulnerability can now be installed.

## Description:

This update for openssl-1_0_0 fixes the following issue:

  * 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:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP5  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-3443=1

  * SUSE Linux Enterprise Server 15 SP5 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-3443=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3443=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3443=1

  * SUSE Linux Enterprise Server 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3443=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3443=1

  * Legacy Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Legacy-15-SP7-2026-3443=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3443=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3443=1

## Package List:

  * SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2
  * Legacy Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2
  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * libopenssl10-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debugsource-1.0.2p-150000.3.111.2
    * libopenssl10-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl1_0_0-hmac-1.0.2p-150000.3.111.2
    * openssl-1_0_0-debuginfo-1.0.2p-150000.3.111.2
    * libopenssl-1_0_0-devel-1.0.2p-150000.3.111.2

## References:

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

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.suse.com/pipermail/sle-updates/attachments/20260803/d4a90533/attachment.htm>