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openSUSE Leap 15.5 openssl-1_1 Moderate NULL Pointer Dereference Issue

opensuse
Calendar Grey April 22, 2026
Dist Opensuse Esm H88
An update for openSUSE Leap 15.5 addressing a NULL pointer issue in OpenSSL-1_1 has been released.
An update that solves one vulnerability can now be installed.

Description

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

* CVE-2026-28390: NULL pointer dereference during processing of a crafted CMS

EnvelopedData message with KeyTransportRecipientInfo (bsc#1261678).

Topics%20covered

Topics Covered

security advisory moderate vulnerability null pointer OpenSUSE openssl-1-1

Patch

## 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-2026-1550=1

* SUSE Linux Enterprise Micro 5.5

zypper in -t patch SUSE-SLE-Micro-5.5-2026-1550=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-1550=1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-1550=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-1550=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1550=1

Package List

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)

* libopenssl-1_1-devel-1.1.1l-150500.17.54.1

* openssl-1_1-debugsource-1.1.1l-150500.17.54.1

* libopenssl1_1-1.1.1l-150500.17.54.1

* libopenssl1_1-hmac-1.1.1l-150500.17.54.1

* libopenssl1_1-debuginfo-1.1.1l-150500.17.54.1

* openssl-1_1-debuginfo-1.1.1l-150500.17.54.1

* openssl-1_1-1.1.1l-150500.17.54.1

* openSUSE Leap 15.5 (x86_64)

* libopenssl1_1-32bit-1.1.1l-150500.17.54.1

* libopenssl1_1-hmac-32bit-1.1.1l-150500.17.54.1

* libopenssl-1_1-devel-32bit-1.1.1l-150500.17.54.1

* libopenssl1_1-32bit-debuginfo-1.1.1l-150500.17.54.1

* openSUSE Leap 15.5 (noarch)

* openssl-1_1-doc-1.1.1l-150500.17.54.1

* openSUSE Leap 15.5 (aarch64_ilp32)

* libopenssl1_1-hmac-64bit-1.1.1l-150500.17.54.1

* libopenssl1_1-64bit-debuginfo-1.1.1l-150500.17.54.1

* libopenssl1_1-64bit-1.1.1l-150500.17.54.1

* libopenssl-1_1-devel-64bit-1.1.1l-150500.17.54.1

* SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)

* libopenssl-1_1-devel-1.1.1l-150500.17.54.1

*...

Read the Full Advisory

References

* bsc#1261678

## References:

* https://www.suse.com/security/cve/CVE-2026-28390.html

* https://bugzilla.suse.com/show_bug.cgi?id=1261678

Announcement ID: SUSE-SU-2026:1550-1
Release Date: 2026-04-22T09:41:29Z
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 Micro 5.5 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP5

Topics%20covered

Topics Covered

security advisory moderate vulnerability null pointer OpenSUSE openssl-1-1

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