SUSE-SU-2026:3487-1: important: Security update for openssl-1_1

[SLE-SECURITY-UPDATES]

# Security update for openssl-1_1

Announcement ID: SUSE-SU-2026:3487-1  
Release Date: 2026-08-04T11:55:16Z  
Rating: important  
References:

  * bsc#1271712

  
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 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 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-3487=1

  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-3487=1

## Package List:

  * SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenssl1_1-1.1.1d-2.134.2
    * libopenssl-1_1-devel-1.1.1d-2.134.2
    * libopenssl1_1-hmac-1.1.1d-2.134.2
    * libopenssl1_1-debuginfo-1.1.1d-2.134.2
    * openssl-1_1-debuginfo-1.1.1d-2.134.2
    * openssl-1_1-1.1.1d-2.134.2
    * openssl-1_1-debugsource-1.1.1d-2.134.2
  * SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
    * libopenssl1_1-32bit-1.1.1d-2.134.2
    * libopenssl1_1-debuginfo-32bit-1.1.1d-2.134.2
    * libopenssl-1_1-devel-32bit-1.1.1d-2.134.2
    * libopenssl1_1-hmac-32bit-1.1.1d-2.134.2
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
    * libopenssl1_1-1.1.1d-2.134.2
    * libopenssl-1_1-devel-1.1.1d-2.134.2
    * libopenssl-1_1-devel-32bit-1.1.1d-2.134.2
    * libopenssl1_1-hmac-1.1.1d-2.134.2
    * libopenssl1_1-32bit-1.1.1d-2.134.2
    * libopenssl1_1-debuginfo-1.1.1d-2.134.2
    * openssl-1_1-debuginfo-1.1.1d-2.134.2
    * openssl-1_1-1.1.1d-2.134.2
    * libopenssl1_1-debuginfo-32bit-1.1.1d-2.134.2
    * openssl-1_1-debugsource-1.1.1d-2.134.2
    * libopenssl1_1-hmac-32bit-1.1.1d-2.134.2

## References:

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

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