Detections
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RockyLinux 8 : openssl (RLSA-2026:26275)

high Nessus Plugin ID 321342

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Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:26275 advisory.

 * openssl: Use After Free with SSL_free_buffers (CVE-2024-4741)

 * openssl: Heap Use-After-Free in OpenSSL PKCS7_verify() (CVE-2026-45447)

Tenable has extracted the preceding description block directly from the RockyLinux 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://bugzilla.redhat.com/show_bug.cgi?id=2283757

https://bugzilla.redhat.com/show_bug.cgi?id=2481898

https://errata.rockylinux.org/RLSA-2026:26275

Plugin Details

Severity: High

ID: 321342

File Name: rocky_linux_RLSA-2026-26275.nasl

Version: 1.3

Type: Local

Published: 6/17/2026

Updated: 7/3/2026

Supported Sensors: Nessus Agent, Continuous Assessment, 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:rocky:linux:openssl-libs, p-cpe:/a:rocky:linux:openssl-debugsource, p-cpe:/a:rocky:linux:openssl-debuginfo, p-cpe:/a:rocky:linux:openssl-libs-debuginfo, p-cpe:/a:rocky:linux:openssl-devel, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:openssl-perl, p-cpe:/a:rocky:linux:openssl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/17/2026

Vulnerability Publication Date: 4/8/2024

Reference Information

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

IAVA: 2026-A-0589