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openSUSE 16: libgcrypt-devel / libgcrypt-devel-x86-64-v3 / libgcrypt20 / etc (openSUSE-SU-2026:21387-1)

medium Nessus Plugin ID 329304

Synopsis

The remote openSUSE host is missing a security update.

Description

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21387-1 advisory.

 This update for libgcrypt fixes the following issue

 - CVE-2026-41989: crafted ECDH ciphertext can lead 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, libgcrypt-devel-x86-64-v3, libgcrypt20 and / or libgcrypt20-x86-64-v3 packages.

See Also

https://bugzilla.suse.com/1262684

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

Plugin Details

Severity: Medium

ID: 329304

File Name: openSUSE-2026-21387-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/24/2026

Updated: 7/24/2026

Supported Sensors: Continuous Assessment, Nessus Agent, 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:opensuse:16.0, p-cpe:/a:novell:opensuse:libgcrypt-devel-x86-64-v3, p-cpe:/a:novell:opensuse:libgcrypt-devel, p-cpe:/a:novell:opensuse:libgcrypt20-x86-64-v3, p-cpe:/a:novell:opensuse: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: 7/20/2026

Vulnerability Publication Date: 4/23/2026

Reference Information

CVE: CVE-2026-41989

IAVA: 2026-A-0403