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openSUSE Leap 15.5 SUSE-SU-2026-1711-1 OpenSSL Moderate DoS CVE-2026-28390

suse
Calendar Grey May 6, 2026
Dist Suse Esm H88
SUSE's OpenSSL update addresses CVE-2026-28390 NULL pointer issue rated moderate. Install for security compliance.
An update that solves one vulnerability can now be installed.

Summary

## This update for openssl-3 fixes the following issue: * CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS EnvelopedData message with KeyTransportRecipientInfo (bsc#1261678). ## 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: * openSUSE Leap 15.5 zypper in -t patch SUSE-2026-1711=1 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1711=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1711=1 * SUSE Linux Enterprise Server 15 SP5 LTSS

Topics%20covered

Topics Covered

security advisory moderate SuSE DoS OpenSSL null pointer

References

* bsc#1261678

Cross-

* CVE-2026-28390

CVSS scores:

* CVE-2026-28390 ( SUSE ): 8.2

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

* CVE-2026-28390 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-28390 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

* CVE-2026-28390 ( 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 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

* SUSE Linux Enterprise Server 15 SP5

* SUSE Linux Enterprise Server 15 SP5 LTSS

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability can now be installed.

##

Announcement ID: SUSE-SU-2026:1711-1
Release Date: 2026-05-06T12:04:48Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE DoS OpenSSL null pointer

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