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SUSE openCryptoki Moderate Security Fix Denial-of-Service CVE-2026-22791

suse
Calendar Grey January 26, 2026
Dist Suse Esm H88
This advisory describes a moderate security fix for openCryptoki addressing a denial-of-service risk in SUSE Linux.
An update that solves one vulnerability can now be installed.

Summary

## This update for openCryptoki fixes the following issues: * CVE-2026-22791: Fixed supplying malformed compressed EC public key can lead to heap corruption or denial-of-service (bsc#1256673). ## 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: * Server Applications Module 15-SP7 zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-291=1 ## Package List: * Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64) * openCryptoki-devel-3.26.0-150700.5.9.1 * openCryptoki-64bit-3.26.0-150700.5.9.1 * openCryptoki-3.26.0-150700.5.9.1 * openCryptoki-64bit-debuginfo-3.26.0-150700.5.9.1

References

* bsc#1256673

Cross-

* CVE-2026-22791

CVSS scores:

* CVE-2026-22791 ( SUSE ): 6.9

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

* CVE-2026-22791 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

* CVE-2026-22791 ( NVD ): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

Affected Products:

* Server Applications Module 15-SP7

* SUSE Linux Enterprise Real Time 15 SP7

* SUSE Linux Enterprise Server 15 SP7

* SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-22791.html

* https://bugzilla.suse.com/show_bug.cgi?id=1256673

Announcement ID: SUSE-SU-2026:0291-1
Release Date: 2026-01-26T11:11:40Z
Rating: moderate

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