SUSE 12 SP5 Major Vulnerability Update for openssl-1_1 SUSE-SU-2026-1456-5
suse
April 10, 2026
An update that solves four vulnerabilities can now be installed.
Summary
## This update for openssl-1_1 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). ## 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 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1255=1 * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
Topics Covered
References
* bsc#1260441
* bsc#1260442
* bsc#1260443
* bsc#1260444
Cross-
* CVE-2026-28387
* CVE-2026-28388
* CVE-2026-28389
* CVE-2026-31789
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-2026-28389 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2026-31789 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server 12 SP5 LTSS
* SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves four vulnerabilities can now be installed.
##
* https://www.suse.com/security/cve/CVE-2026-28387.html
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Severity
important
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Critical
Announcement ID: SUSE-SU-2026:1255-1
Release Date: 2026-04-10T14:56:49Z
Rating: important
Topics Covered
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