SUSE-SU-2026:3878-1: important: Security update for openssl-1_1

# Security update for openssl-1_1

Announcement ID: SUSE-SU-2026:3878-1  
Release Date: 2026-08-31T09:13:04Z  
Rating: important  
References:

  * bsc#1260446
  * 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:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

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

## Description:

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

  * 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).

Changes for openssl-1_1:

  * August 2026 release (bsc#1274774)

## 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 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3878=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3878=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-3878=1

## Package List:

  * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
    * libopenssl-1_1-devel-1.1.1w-150600.5.38.1
    * openssl-1_1-debugsource-1.1.1w-150600.5.38.1
    * openssl-1_1-1.1.1w-150600.5.38.1
    * libopenssl1_1-debuginfo-1.1.1w-150600.5.38.1
    * openssl-1_1-debuginfo-1.1.1w-150600.5.38.1
    * libopenssl1_1-1.1.1w-150600.5.38.1
  * openSUSE Leap 15.6 (x86_64)
    * libopenssl1_1-32bit-1.1.1w-150600.5.38.1
    * libopenssl-1_1-devel-32bit-1.1.1w-150600.5.38.1
    * libopenssl1_1-32bit-debuginfo-1.1.1w-150600.5.38.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * libopenssl-1_1-devel-64bit-1.1.1w-150600.5.38.1
    * libopenssl1_1-64bit-debuginfo-1.1.1w-150600.5.38.1
    * libopenssl1_1-64bit-1.1.1w-150600.5.38.1
  * openSUSE Leap 15.6 (noarch)
    * openssl-1_1-doc-1.1.1w-150600.5.38.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * libopenssl-1_1-devel-1.1.1w-150600.5.38.1
    * openssl-1_1-1.1.1w-150600.5.38.1
    * openssl-1_1-debugsource-1.1.1w-150600.5.38.1
    * libopenssl1_1-debuginfo-1.1.1w-150600.5.38.1
    * openssl-1_1-debuginfo-1.1.1w-150600.5.38.1
    * libopenssl1_1-1.1.1w-150600.5.38.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
    * libopenssl1_1-32bit-1.1.1w-150600.5.38.1
    * libopenssl1_1-32bit-debuginfo-1.1.1w-150600.5.38.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
    * libopenssl1_1-32bit-1.1.1w-150600.5.38.1
    * libopenssl1_1-32bit-debuginfo-1.1.1w-150600.5.38.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * libopenssl-1_1-devel-1.1.1w-150600.5.38.1
    * openssl-1_1-debugsource-1.1.1w-150600.5.38.1
    * openssl-1_1-1.1.1w-150600.5.38.1
    * libopenssl1_1-debuginfo-1.1.1w-150600.5.38.1
    * openssl-1_1-debuginfo-1.1.1w-150600.5.38.1
    * libopenssl1_1-1.1.1w-150600.5.38.1

## 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=1260446
  * 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