Oracle Linux 8 : openssl (ELSA-2026-26275)

high Nessus Plugin ID 321313

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Synopsis

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

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-26275 advisory.

- Fix CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7_verify() Resolves: RHEL-180978

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

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

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 321313

File Name: oraclelinux_ELSA-2026-26275.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Oracle Linux Local Security Checks

Published: 6/17/2026

Updated: 7/3/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.7

Percentile: 99.06

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-45447

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:openssl-libs, p-cpe:/a:oracle:linux:openssl-devel, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:openssl, p-cpe:/a:oracle:linux:openssl-perl, cpe:/o:oracle:linux:8:10:baseos_patch

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: 6/16/2026

Vulnerability Publication Date: 4/8/2024

Reference Information

CVE: CVE-2024-4741, CVE-2026-45447

IAVA: 2024-A-0321-S, 2026-A-0589

Detections

Analytics