SUSE-SU-2026:3866-1: important: Security update for openssl-3

# Security update for openssl-3

Announcement ID: SUSE-SU-2026:3866-1  
Release Date: 2026-08-28T17:29:19Z  
Rating: important  
References:

  * bsc#1274774
  * bsc#1274788
  * bsc#1274790
  * bsc#1274795
  * bsc#1274797
  * bsc#1275837

  
Cross-References:

  * CVE-2026-54874
  * CVE-2026-63072
  * CVE-2026-63074
  * CVE-2026-63076
  * CVE-2026-75803

  
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
  * CVE-2026-63074 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  * CVE-2026-63074 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63076 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-63076 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-75803 ( SUSE ):  5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

  
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 five vulnerabilities and has one security fix can now be
installed.

## Description:

This update for openssl-3 fixes the following issues:

August 2026 release.

  * CVE-2026-54874: excessive memory use when buffering DTLS records for a
    future epoch (bsc#1274795).
  * CVE-2026-63072: heap buffer overflow in CMS key unwrapping (bsc#1274788).
  * CVE-2026-63074: unbounded growth of `extraCerts` cache in the CMP server
    (bsc#1274797).
  * CVE-2026-63076: invalid pointer dereference in the CMP server via crafted
    `protectionAlg` (bsc#1274790).
  * CVE-2026-75803: AEAD forgeries with empty ciphertext when using
    `EVP_Cipher()` (bsc#1275837).

## 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 for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3866=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3866=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-3866=1

## Package List:

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
    * libopenssl-3-fips-provider-32bit-debuginfo-3.1.4-150600.5.64.1
    * libopenssl3-32bit-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-32bit-3.1.4-150600.5.64.1
    * libopenssl3-32bit-debuginfo-3.1.4-150600.5.64.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * openssl-3-3.1.4-150600.5.64.1
    * libopenssl3-debuginfo-3.1.4-150600.5.64.1
    * libopenssl-3-devel-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-debuginfo-3.1.4-150600.5.64.1
    * libopenssl3-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-3.1.4-150600.5.64.1
    * openssl-3-debugsource-3.1.4-150600.5.64.1
    * openssl-3-debuginfo-3.1.4-150600.5.64.1
  * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
    * openssl-3-3.1.4-150600.5.64.1
    * libopenssl3-debuginfo-3.1.4-150600.5.64.1
    * libopenssl-3-devel-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-debuginfo-3.1.4-150600.5.64.1
    * libopenssl3-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-3.1.4-150600.5.64.1
    * openssl-3-debugsource-3.1.4-150600.5.64.1
    * openssl-3-debuginfo-3.1.4-150600.5.64.1
  * openSUSE Leap 15.6 (x86_64)
    * libopenssl-3-fips-provider-32bit-debuginfo-3.1.4-150600.5.64.1
    * libopenssl-3-devel-32bit-3.1.4-150600.5.64.1
    * libopenssl3-32bit-debuginfo-3.1.4-150600.5.64.1
    * libopenssl3-32bit-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-32bit-3.1.4-150600.5.64.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * libopenssl3-64bit-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-64bit-3.1.4-150600.5.64.1
    * libopenssl-3-devel-64bit-3.1.4-150600.5.64.1
    * libopenssl3-64bit-debuginfo-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-64bit-debuginfo-3.1.4-150600.5.64.1
  * openSUSE Leap 15.6 (noarch)
    * openssl-3-doc-3.1.4-150600.5.64.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * openssl-3-3.1.4-150600.5.64.1
    * libopenssl3-debuginfo-3.1.4-150600.5.64.1
    * libopenssl-3-devel-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-debuginfo-3.1.4-150600.5.64.1
    * libopenssl3-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-3.1.4-150600.5.64.1
    * openssl-3-debugsource-3.1.4-150600.5.64.1
    * openssl-3-debuginfo-3.1.4-150600.5.64.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
    * libopenssl-3-fips-provider-32bit-debuginfo-3.1.4-150600.5.64.1
    * libopenssl3-32bit-3.1.4-150600.5.64.1
    * libopenssl-3-fips-provider-32bit-3.1.4-150600.5.64.1
    * libopenssl3-32bit-debuginfo-3.1.4-150600.5.64.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-54874.html
  * https://www.suse.com/security/cve/CVE-2026-63072.html
  * https://www.suse.com/security/cve/CVE-2026-63074.html
  * https://www.suse.com/security/cve/CVE-2026-63076.html
  * https://www.suse.com/security/cve/CVE-2026-75803.html
  * 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=1274790
  * https://bugzilla.suse.com/show_bug.cgi?id=1274795
  * https://bugzilla.suse.com/show_bug.cgi?id=1274797
  * https://bugzilla.suse.com/show_bug.cgi?id=1275837