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openSUSE OpenSSL Important Fixes for Eight Issues Advisory 2026-2598-1

opensuse
Calendar Grey June 23, 2026
Dist Opensuse Esm H88
Critical updates for OpenSSL solve security issues. Install these necessary patches for enhanced system security.
An update that solves eight vulnerabilities can now be installed.

Description

This update for openssl-3 fixes the following issues

* CVE-2026-7383: Possible Heap Buffer Overflow in ASN.1 Multibyte String

Conversion (bsc#1266340).

* CVE-2026-9076: Out-of-Bounds Read in CMS Password-Based Decryption

(bsc#1266341).

* CVE-2026-34180: Heap Buffer Over-read in ASN.1 Content Parsing

(bsc#1266342).

* CVE-2026-42766: Possible NULL Dereference in Password-Based CMS Decryption

(bsc#1266349).

* CVE-2026-42770: FFC-DH Peer Validation Uses Attacker-Supplied q

(bsc#1266353).

* CVE-2026-45445: AES-OCB IV Ignored on EVP_Cipher() Path (bsc#1266355).

* CVE-2026-45446: Incorrect Tag Processing for Empty Messages in AES-GCM-SIV

and AES-SIV modes (bsc#1266356).

* CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7_verify() (bsc#1266357).

Topics%20covered

Topics Covered

security advisory update threat OpenSSL important OpenSUSE

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:

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2026-2598=1

* SUSE Linux Enterprise Server 15 SP4 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2026-2598=1

* SUSE Linux Enterprise Micro for Rancher 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2598=1

* SUSE Linux Enterprise Micro 5.3

zypper in -t patch SUSE-SLE-Micro-5.3-2026-2598=1

* openSUSE Leap 15.4

zypper in -t patch SUSE-2026-2598=1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4

zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2026-2598=1

* SUSE Linux Enterprise Micro for Rancher 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2598=1

* SUSE Linux Enterprise Micro 5.4

zypper in -t patch SUSE-SLE-Micro-5.4-2026-2598=1

* SUSE Linux Enterprise Server for...

Read the Full Advisory

Package List

* SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)

* openssl-3-debugsource-3.0.8-150400.4.87.1

* openssl-3-debuginfo-3.0.8-150400.4.87.1

* libopenssl3-3.0.8-150400.4.87.1

* openssl-3-3.0.8-150400.4.87.1

* libopenssl-3-devel-3.0.8-150400.4.87.1

* libopenssl3-debuginfo-3.0.8-150400.4.87.1

* SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64

x86_64)

* openssl-3-debugsource-3.0.8-150400.4.87.1

* openssl-3-debuginfo-3.0.8-150400.4.87.1

* libopenssl3-3.0.8-150400.4.87.1

* openssl-3-3.0.8-150400.4.87.1

* libopenssl-3-devel-3.0.8-150400.4.87.1

* libopenssl3-debuginfo-3.0.8-150400.4.87.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64

x86_64)

* openssl-3-debugsource-3.0.8-150400.4.87.1

* openssl-3-debuginfo-3.0.8-150400.4.87.1

* libopenssl3-3.0.8-150400.4.87.1

* openssl-3-3.0.8-150400.4.87.1

* libopenssl-3-devel-3.0.8-150400.4.87.1

* libopenssl3-debuginfo-3.0.8-150400.4.87.1

* openSUSE Leap 15.4 (aarch64 i586 ppc64le s390x x86_64)

*...

Read the Full Advisory

References

* bsc#1266340

* bsc#1266341

* bsc#1266342

* bsc#1266349

* bsc#1266353

* bsc#1266355

* bsc#1266356

* bsc#1266357

## References:

* https://www.suse.com/security/cve/CVE-2026-34180.html

* https://www.suse.com/security/cve/CVE-2026-42766.html

* https://www.suse.com/security/cve/CVE-2026-42770.html

* https://www.suse.com/security/cve/CVE-2026-45445.html

* https://www.suse.com/security/cve/CVE-2026-45446.html

* https://www.suse.com/security/cve/CVE-2026-45447.html

* https://www.suse.com/security/cve/CVE-2026-7383.html

* https://www.suse.com/security/cve/CVE-2026-9076.html

* https://bugzilla.suse.com/show_bug.cgi?id=1266340

* https://bugzilla.suse.com/show_bug.cgi?id=1266341

* https://bugzilla.suse.com/show_bug.cgi?id=1266342

* https://bugzilla.suse.com/show_bug.cgi?id=1266349

* https://bugzilla.suse.com/show_bug.cgi?id=1266353

* https://bugzilla.suse.com/show_bug.cgi?id=1266355

* https://bugzilla.suse.com/show_bug.cgi?id=1266356

* https://bugzilla.suse.com/show_bug.cgi?id=1266357

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2598-1
Release Date: 2026-06-23T15:39:55Z
Affected Products: * openSUSE Leap 15.4 * SUSE Linux Enterprise High Performance Computing 15 SP4 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 * SUSE Linux Enterprise Micro 5.3 * SUSE Linux Enterprise Micro 5.4 * SUSE Linux Enterprise Micro for Rancher 5.3 * SUSE Linux Enterprise Micro for Rancher 5.4 * SUSE Linux Enterprise Server 15 SP4 * SUSE Linux Enterprise Server 15 SP4 LTSS * SUSE Linux Enterprise Server for SAP Applications 15 SP4

Topics%20covered

Topics Covered

security advisory update threat OpenSSL important OpenSUSE

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