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SUSE SLED15 / SLES15 Security Update : libgcrypt (SUSE-SU-2026:3182-1)

medium Nessus Plugin ID 329134

Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3182-1 advisory.

 This update for libgcrypt fixes the following issue

 - CVE-2026-41989: heap-based buffer overflow when processing crafted ECDH ciphertext can lead to a denial of service (bsc#1262684).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected libgcrypt-devel, libgcrypt20 and / or libgcrypt20-32bit packages.

See Also

https://bugzilla.suse.com/1262684

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

http://www.nessus.org/u?a9d2f0cd

Plugin Details

Severity: Medium

ID: 329134

File Name: suse_SU-2026-3182-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/23/2026

Updated: 7/23/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.69

CVSS v2

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.1

Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:C/A:C

CVSS Score Source: CVE-2026-41989

CVSS v3

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libgcrypt-devel, p-cpe:/a:novell:suse_linux:libgcrypt20-32bit, p-cpe:/a:novell:suse_linux:libgcrypt20

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/22/2026

Vulnerability Publication Date: 4/23/2026

Reference Information

CVE: CVE-2026-41989

IAVA: 2026-A-0403

SuSE: SUSE-SU-2026:3182-1