Detections
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Oracle Linux 8 : libgcrypt (ELSA-2026-47117)

medium Nessus Plugin ID 331370

Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-47117 advisory.

 [1.8.5-8]
 - Fix CVE-2026-41989: Denial of Service and buffer overflow via crafted ECDH ciphertext

Tenable has extracted the preceding description block directly from the Oracle 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 and / or libgcrypt-devel packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-47117.html

Plugin Details

Severity: Medium

ID: 331370

File Name: oraclelinux_ELSA-2026-47117.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 7/31/2026

Updated: 7/31/2026

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:oracle:linux:8, cpe:/o:oracle:linux:8:10:baseos_patch, p-cpe:/a:oracle:linux:libgcrypt-devel, p-cpe:/a:oracle:linux:libgcrypt

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2026

Vulnerability Publication Date: 4/23/2026

Reference Information

CVE: CVE-2026-41989

IAVA: 2026-A-0403