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Rocky Linux 8 [CIQ] Security Update: platform-python / platform-python-debug / platform-python-devel / etc Multiple Vulnerabilities (crlsa-2026_85239)

critical Nessus Plugin ID 370338

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_85239 advisory.

 * python: python: Arbitrary file deletion via race condition during temporary directory cleanup (CVE-2026-12345)

 * python: python: Certificate verification bypass via missing server_hostname validation in SSLContext.wrap_bio() (CVE-2026-19553)

 * python: Use-after-free of a server-side SSLContext when sni_callback switches contexts (CVE-2026-19445)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_85239.

See Also

https://access.redhat.com/errata/RHSA-2026:85239

https://bugzilla.redhat.com/show_bug.cgi?id=2543492

https://bugzilla.redhat.com/show_bug.cgi?id=2544127

https://bugzilla.redhat.com/show_bug.cgi?id=2544138

https://errata.build.resf.org/RLSA-2026:85239

http://www.nessus.org/u?99a74be3

http://www.nessus.org/u?fca15944

Plugin Details

Severity: Critical

ID: 370338

File Name: ciq_rocky_linux_8_crlsa-2026_85239.nasl

Version: 1.1

Type: Local

Published: 10/22/2026

Updated: 10/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7

Percentile: 98.01

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

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

CVSS Score Source: CVE-2026-19445

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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:P/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/21/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-12345, CVE-2026-19445, CVE-2026-19553