SUSE-SU-2026:4043-1: important: Security update for openssl-1_1

[SLE-SECURITY-UPDATES]

# Security update for openssl-1_1

Announcement ID: SUSE-SU-2026:4043-1  
Release Date: 2026-09-07T08:30:31Z  
Rating: important  
References:

  * bsc#1274774
  * bsc#1274788
  * bsc#1274795

  
Cross-References:

  * CVE-2026-54874
  * CVE-2026-63072

  
CVSS scores:

  * CVE-2026-54874 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-54874 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63072 ( SUSE ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
  * CVE-2026-63072 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves two vulnerabilities and has one security fix can now be
installed.

## Description:

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

August 2026 release.

  * CVE-2026-54874: excessive memory use buffering DTLS records for a future
    epoch (bsc#1274795).
  * CVE-2026-63072: heap buffer overflow in CMS key unwrapping (bsc#1274788).

## 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-4043=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-4043=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * openssl-1_1-debugsource-1.1.1d-2.139.1
    * libopenssl1_1-1.1.1d-2.139.1
    * libopenssl1_1-hmac-1.1.1d-2.139.1
    * libopenssl1_1-debuginfo-1.1.1d-2.139.1
    * libopenssl-1_1-devel-1.1.1d-2.139.1
    * openssl-1_1-debuginfo-1.1.1d-2.139.1
    * openssl-1_1-1.1.1d-2.139.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libopenssl1_1-hmac-32bit-1.1.1d-2.139.1
    * libopenssl1_1-32bit-1.1.1d-2.139.1
    * libopenssl1_1-debuginfo-32bit-1.1.1d-2.139.1
    * libopenssl-1_1-devel-32bit-1.1.1d-2.139.1
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * openssl-1_1-debugsource-1.1.1d-2.139.1
    * libopenssl1_1-1.1.1d-2.139.1
    * libopenssl1_1-32bit-1.1.1d-2.139.1
    * libopenssl1_1-hmac-32bit-1.1.1d-2.139.1
    * libopenssl1_1-debuginfo-32bit-1.1.1d-2.139.1
    * libopenssl1_1-hmac-1.1.1d-2.139.1
    * libopenssl1_1-debuginfo-1.1.1d-2.139.1
    * libopenssl-1_1-devel-32bit-1.1.1d-2.139.1
    * libopenssl-1_1-devel-1.1.1d-2.139.1
    * openssl-1_1-debuginfo-1.1.1d-2.139.1
    * openssl-1_1-1.1.1d-2.139.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-54874.html
  * https://www.suse.com/security/cve/CVE-2026-63072.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1274774
  * https://bugzilla.suse.com/show_bug.cgi?id=1274788
  * https://bugzilla.suse.com/show_bug.cgi?id=1274795

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