SUSE-SU-2026:5172-1: important: Security update for openssl-1_1

Tue Nov 10 20:30:38 UTC 2026

# Security update for openssl-1_1

Announcement ID: SUSE-SU-2026:5172-1  
Release Date: 2026-11-10T15:22:11Z  
Rating: important  
References:

  * bsc#1280587
  * bsc#1280589
  * bsc#1280591
  * bsc#1280597
  * bsc#1280598

Cross-References:

  * CVE-2026-35189
  * CVE-2026-54872
  * CVE-2026-75806
  * CVE-2026-77696
  * CVE-2026-84782

CVSS scores:

  * CVE-2026-35189 ( SUSE ):  6.9
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-35189 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-35189 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-54872 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-54872 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-54872 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-75806 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-75806 ( NVD ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-77696 ( SUSE ):  6.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-77696 ( SUSE ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-77696 ( NVD ):  3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
  * CVE-2026-84782 ( SUSE ):  8.3
    CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
  * CVE-2026-84782 ( SUSE ):  7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
  * CVE-2026-84782 ( NVD ):  8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

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 solves five vulnerabilities can now be installed.

## Description:

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

  * CVE-2026-35189: Excessive Memory Allocation in Relative CRLDP Processing
    (bsc#1280589).
  * CVE-2026-54872: Timing Side-Channel in Scalar Multiplication for Non-NIST EC
    Curves (bsc#1280591).
  * CVE-2026-75806: Unauthenticated and Undersized DTLS 1.2 AEAD Record Causes
    DoS (bsc#1280597).
  * CVE-2026-77696: Timing Side-Channel in SM2 Signature Generation
    (bsc#1280598).
  * CVE-2026-84782: DTLS Retransmits Handshake Messages From a Stale Buffer
    Offset (bsc#1280587).

## 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:

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-5172

  * Development Tools Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-5172

  * Legacy Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Legacy-15-SP7-2026-5172

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libopenssl1_1-debuginfo-1.1.1w-150700.11.35.1
    * libopenssl1_1-1.1.1w-150700.11.35.1
    * openssl-1_1-debuginfo-1.1.1w-150700.11.35.1
    * openssl-1_1-debugsource-1.1.1w-150700.11.35.1
  * Basesystem Module 15-SP7 (x86_64)
    * libopenssl1_1-32bit-1.1.1w-150700.11.35.1
    * libopenssl1_1-32bit-debuginfo-1.1.1w-150700.11.35.1
  * Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libopenssl-1_1-devel-1.1.1w-150700.11.35.1
    * openssl-1_1-debugsource-1.1.1w-150700.11.35.1
    * openssl-1_1-debuginfo-1.1.1w-150700.11.35.1
  * Legacy Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * openssl-1_1-debuginfo-1.1.1w-150700.11.35.1
    * openssl-1_1-debugsource-1.1.1w-150700.11.35.1
    * openssl-1_1-1.1.1w-150700.11.35.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-35189.html
  * https://www.suse.com/security/cve/CVE-2026-54872.html
  * https://www.suse.com/security/cve/CVE-2026-75806.html
  * https://www.suse.com/security/cve/CVE-2026-77696.html
  * https://www.suse.com/security/cve/CVE-2026-84782.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1280587
  * https://bugzilla.suse.com/show_bug.cgi?id=1280589
  * https://bugzilla.suse.com/show_bug.cgi?id=1280591
  * https://bugzilla.suse.com/show_bug.cgi?id=1280597
  * https://bugzilla.suse.com/show_bug.cgi?id=1280598

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