SUSE-SU-2026:3457-1: important: Security update for openssl-1_1

[SLE-UPDATES]

# Security update for openssl-1_1

Announcement ID: SUSE-SU-2026:3457-1  
Release Date: 2026-08-03T11:51:24Z  
Rating: important  
References:

  * bsc#1271712

  
Affected Products:

  * openSUSE Leap 15.4
  * 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 Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro for Rancher 5.3
  * SUSE Linux Enterprise Micro for Rancher 5.4
  * SUSE Linux Enterprise Server 15 SP4
  * SUSE Linux Enterprise Server 15 SP4 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4

  
  
An update that has one security fix can now be installed.

## Description:

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

  * HollowByte: DoS vector against OpenSSL TLS ClientHello via remote, attacker-
    controlled memory allocations (bsc#1271712).

## 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 15 SP4 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-3457=1

  * SUSE Linux Enterprise Micro for Rancher 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-3457=1

  * SUSE Linux Enterprise Micro 5.3  
    zypper in -t patch SUSE-SLE-Micro-5.3-2026-3457=1

  * openSUSE Leap 15.4  
    zypper in -t patch SUSE-2026-3457=1

  * SUSE Linux Enterprise Micro for Rancher 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-3457=1

  * SUSE Linux Enterprise Micro 5.4  
    zypper in -t patch SUSE-SLE-Micro-5.4-2026-3457=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP4  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2026-3457=1

  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-3457=1

  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-3457=1

## Package List:

  * SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise Server 15 SP4 LTSS (x86_64)
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-32bit-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-32bit-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-32bit-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-32bit-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64
    x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-32bit-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-32bit-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150400.7.99.1
  * openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1
  * openSUSE Leap 15.4 (x86_64)
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-32bit-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-32bit-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150400.7.99.1
  * openSUSE Leap 15.4 (aarch64_ilp32)
    * libopenssl1_1-hmac-64bit-1.1.1l-150400.7.99.1
    * libopenssl1_1-64bit-1.1.1l-150400.7.99.1
    * libopenssl1_1-64bit-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-64bit-1.1.1l-150400.7.99.1
  * openSUSE Leap 15.4 (noarch)
    * openssl-1_1-doc-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64
    x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
    * libopenssl1_1-32bit-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-32bit-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-32bit-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-32bit-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1
  * SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
    * libopenssl1_1-1.1.1l-150400.7.99.1
    * libopenssl-1_1-devel-1.1.1l-150400.7.99.1
    * openssl-1_1-1.1.1l-150400.7.99.1
    * libopenssl1_1-debuginfo-1.1.1l-150400.7.99.1
    * libopenssl1_1-hmac-1.1.1l-150400.7.99.1
    * openssl-1_1-debuginfo-1.1.1l-150400.7.99.1
    * openssl-1_1-debugsource-1.1.1l-150400.7.99.1

## References:

  * https://bugzilla.suse.com/show_bug.cgi?id=1271712

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