Security update for openssl-3

Announcement ID: SUSE-SU-2026:21065-1
Release Date: 2026-04-08T16:35:01Z
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2026-28387 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  • CVE-2026-28388 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-28389 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • CVE-2026-28389 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-31789 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • CVE-2026-31790 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
  • CVE-2026-31790 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products:
  • SUSE Linux Micro 6.0

An update that solves five vulnerabilities can now be installed.

Description:

This update for openssl-3 fixes the following issues:

  • CVE-2026-28387: Potential use-after-free in DANE client code (bsc#1260441).
  • CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL (bsc#1260442).
  • CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo (bsc#1260443).
  • CVE-2026-31789: Heap buffer overflow in hexadecimal conversion (bsc#1260444).
  • CVE-2026-31790: Incorrect failure handling in RSA KEM RSASVE encapsulation (bsc#1260445).

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 Micro 6.0
    zypper in -t patch SUSE-SLE-Micro-6.0-657=1

Package List:

  • SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    • libopenssl-3-fips-provider-3.1.4-12.1
    • openssl-3-debugsource-3.1.4-12.1
    • libopenssl-3-fips-provider-debuginfo-3.1.4-12.1
    • libopenssl3-debuginfo-3.1.4-12.1
    • libopenssl3-3.1.4-12.1
    • openssl-3-debuginfo-3.1.4-12.1
    • libopenssl-3-devel-3.1.4-12.1
    • openssl-3-3.1.4-12.1

References: