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openSUSE OpenSSL Important Heap Overflow Fix 2026-2409-1

suse
Calendar Grey June 16, 2026
Dist Suse Esm H88
Install the SUSE security update for openssl-1_1-livepatches addressing a critical heap use-after-free issue.
An update that solves one vulnerability and has one security fix can now be installed.

Summary

## This update for openssl-1_1-livepatches fixes the following issues * CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7_verify() (bsc#1266357). ## 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-2026-2409=1 * SUSE Linux Enterprise Live Patching 15-SP5 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2026-2409=1 ## Package List: * openSUSE Leap 15.5 (x86_64) * openssl-1_1-livepatches-0.6-150500.6.14.1 * openssl-1_1-livepatches-debugsource-0.6-150500.6.14.1 * openssl-1_1-livepatches-debuginfo-0.6-150500.6.14.1 * SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)

Topics%20covered

Topics Covered

security advisory threat important OpenSUSE heap-use-after-free openssl-1_1-livepatches

References

* bsc#1266357

* bsc#1266389

Cross-

* CVE-2026-45447

CVSS scores:

* CVE-2026-45447 ( SUSE ): 7.7

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

* CVE-2026-45447 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2026-45447 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP5

* SUSE Linux Enterprise Live Patching 15-SP5

* SUSE Linux Enterprise Micro 5.5

* SUSE Linux Enterprise Real Time 15 SP5

* SUSE Linux Enterprise Server 15 SP5

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability and has one security fix can now be

installed.

##

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2409-1
Release Date: 2026-06-16T08:07:15Z
Rating: important

Topics%20covered

Topics Covered

security advisory threat important OpenSUSE heap-use-after-free openssl-1_1-livepatches

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