Rocky Linux 9 [CIQ] Security Update: python3.14 / python3.14-debug / python3.14-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_19176)

critical Nessus Plugin ID 356236

Synopsis

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

Description

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_19176 advisory.

* cpython: wsgiref.headers.Headers allows header newline injection in Python (CVE-2026-0865)

* cpython: CPython: Logging Bypass in Legacy .pyc File Handling (CVE-2026-2297)

* cpython: Incomplete control character validation in http.cookies (CVE-2026-3644)

* cpython: Stack overflow parsing XML with deeply nested DTD content models (CVE-2026-4224)

* python: Python: Command-line option injection in webbrowser.open() via crafted URLs (CVE-2026-4519)

* python: Python: HTTP header injection via CR/LF in proxy tunnel headers (CVE-2026-1502)

* python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules (CVE-2026-6100)

* python: cpython: Python: Arbitrary code execution via command injection in webbrowser.open() API (CVE-2026-4786)

* python: Python: Information disclosure and arbitrary code execution via remote debugging with a malicious process. (CVE-2026-5713)

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_19176.

See Also

https://access.redhat.com/errata/RHSA-2026:19176

https://bugzilla.redhat.com/show_bug.cgi?id=2431367

https://bugzilla.redhat.com/show_bug.cgi?id=2444691

https://bugzilla.redhat.com/show_bug.cgi?id=2448168

https://bugzilla.redhat.com/show_bug.cgi?id=2448181

https://bugzilla.redhat.com/show_bug.cgi?id=2449649

https://bugzilla.redhat.com/show_bug.cgi?id=2457409

https://bugzilla.redhat.com/show_bug.cgi?id=2457932

https://bugzilla.redhat.com/show_bug.cgi?id=2458049

https://bugzilla.redhat.com/show_bug.cgi?id=2458239

https://errata.build.resf.org/RLSA-2026:19176

http://www.nessus.org/u?689c3657

http://www.nessus.org/u?ba467893

Plugin Details

Severity: Critical

ID: 356236

File Name: ciq_rocky_linux_9_crlsa-2026_19176.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.5

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-3644

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.1

Threat Score: 6.9

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-6100

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/30/2026

Vulnerability Publication Date: 1/20/2026

Reference Information

CVE: CVE-2026-0865, CVE-2026-1502, CVE-2026-2297, CVE-2026-3644, CVE-2026-4224, CVE-2026-4519, CVE-2026-4786, CVE-2026-5713, CVE-2026-6100