Oracle Linux 8 : openssl (ELSA-2026-50323)

high Nessus Plugin ID 323018

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-2026-50323 advisory.

- Fix CVE-2026-45447: Heap Use-After-Free in OpenSSL PKCS7_verify() Resolves: RHEL-180978
- Fix CVE-2024-4741: Use After Free with SSL_free_buffers Resolves: RHEL-180983
- Fix CVE-2025-69419: Arbitrary code execution due to out-of-bounds write in PKCS#12 processing ticket_lifetime_hint exceed 1 week in TLSv1.3 and breaks compliant clients Resolves: RHEL-149165 Resolves: RHEL-142715
- Backport fix for openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap Fix CVE-2025-9230 Resolves: RHEL-128615

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.

See Also

https://linux.oracle.com/errata/ELSA-2026-50323.html

Plugin Details

Severity: High

ID: 323018

File Name: oraclelinux_ELSA-2026-50323.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/26/2026

Updated: 6/26/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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-static, p-cpe:/a:oracle:linux:openssl-perl, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:openssl-devel, p-cpe:/a:oracle:linux:openssl-libs, p-cpe:/a:oracle:linux:openssl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2026

Vulnerability Publication Date: 4/8/2024

Reference Information

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

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