SUSE-SU-2026:3578-1: moderate: Security update for openssl-1_1

[SLE-SECURITY-UPDATES]

# Security update for openssl-1_1

Announcement ID: SUSE-SU-2026:3578-1  
Release Date: 2026-08-11T13:58:55Z  
Rating: moderate  
References:

  * bsc#1271712

  
Affected Products:

  * Basesystem Module 15-SP7
  * Development Tools Module 15-SP7
  * Legacy Module 15-SP7
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7

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

## Description:

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

  * 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:

  * Legacy Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Legacy-15-SP7-2026-3578=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3578=1

  * Development Tools Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-3578=1

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * openssl-1_1-debuginfo-1.1.1w-150700.11.25.2
    * openssl-1_1-debugsource-1.1.1w-150700.11.25.2
    * libopenssl1_1-1.1.1w-150700.11.25.2
    * libopenssl1_1-debuginfo-1.1.1w-150700.11.25.2
  * Basesystem Module 15-SP7 (x86_64)
    * libopenssl1_1-32bit-debuginfo-1.1.1w-150700.11.25.2
    * libopenssl1_1-32bit-1.1.1w-150700.11.25.2
  * Legacy Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * openssl-1_1-debuginfo-1.1.1w-150700.11.25.2
    * openssl-1_1-debugsource-1.1.1w-150700.11.25.2
    * openssl-1_1-1.1.1w-150700.11.25.2
  * Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * openssl-1_1-debuginfo-1.1.1w-150700.11.25.2
    * openssl-1_1-debugsource-1.1.1w-150700.11.25.2
    * libopenssl-1_1-devel-1.1.1w-150700.11.25.2

## References:

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

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