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SUSE libgcrypt Moderate Denial of Service Vuln 2026-22826-1

suse
Calendar Grey July 27, 2026
Scroller Suse
SUSE update resolves a moderate security issue in libgcrypt, preventing denial of service with crafted ECDH ciphertext.
A security update for libgcrypt addresses a vulnerability (CVE-2026-41989) in SUSE Linux Enterprise Server 16.0, preventing potential denial of service attacks.

Summary

## This update for libgcrypt fixes the following issue * CVE-2026-41989: crafted ECDH ciphertext can lead denial of service (bsc#1262684). ## 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 Server 16.0 zypper in -t patch SUSE-SLES-16.0-1294=1 * SUSE Linux Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-1294=1 ## Package List: * SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64) * libgcrypt20-1.12.1-160000.3.1 * libgcrypt20-debuginfo-1.12.1-160000.3.1 * libgcrypt-devel-debuginfo-1.12.1-160000.3.1 * libgcrypt-debugsource-1.12.1-160000.3.1

Topics%20covered

Topics Covered

security advisory moderate denial of service update SuSE Libgcrypt

References

* bsc#1262684

Cross-

* CVE-2026-41989

CVSS scores:

* CVE-2026-41989 ( SUSE ): 5.8

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

* CVE-2026-41989 ( SUSE ): 6.3 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H

* CVE-2026-41989 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Affected Products:

* SUSE Linux Enterprise Server 16.0

* SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves one vulnerability can now be installed.

##

* https://www.suse.com/security/cve/CVE-2026-41989.html

* https://bugzilla.suse.com/show_bug.cgi?id=1262684

Severity
medium
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22826-1
Release Date: 2026-07-20T09:26:51Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate denial of service update SuSE Libgcrypt

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