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Alibaba Cloud Linux 3 : 0244: libgcrypt (ALINUX3-SA-2026:0244)

medium Nessus Plugin ID 333573

Synopsis

The remote Alibaba Cloud Linux host is missing one or more security updates.

Description

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2026:0244 advisory.

 Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

 CVE-2026-41989:
 Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux 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, libgcrypt-devel and / or libgcrypt-doc packages.

See Also

http://mirrors.aliyun.com/alinux/3/cve/alinux3-sa-20260244.xml

Plugin Details

Severity: Medium

ID: 333573

File Name: alinux3_sa_2026-0244.nasl

Version: 1.1

Type: Local

Published: 8/10/2026

Updated: 8/10/2026

Supported Sensors: 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:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libgcrypt-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libgcrypt-doc, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libgcrypt

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/5/2026

Vulnerability Publication Date: 4/23/2026

Reference Information

CVE: CVE-2026-41989