RockyLinux 10 : python3.14 (RLSA-2026:19019)

critical Nessus Plugin ID 317973

Synopsis

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

Description

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:19019 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 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://errata.rockylinux.org/RLSA-2026:19019

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

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

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

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

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

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

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

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

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

Plugin Details

Severity: Critical

ID: 317973

File Name: rocky_linux_RLSA-2026-19019.nasl

Version: 1.1

Type: Local

Published: 5/29/2026

Updated: 5/29/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2026-4519

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.9

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

CPE: p-cpe:/a:rocky:linux:python3.14-freethreading-devel, p-cpe:/a:rocky:linux:python3.14-freethreading-debug, p-cpe:/a:rocky:linux:python3.14-devel, p-cpe:/a:rocky:linux:python3.14-freethreading-libs, p-cpe:/a:rocky:linux:python3.14-freethreading-tkinter, p-cpe:/a:rocky:linux:python3.14-freethreading-test, p-cpe:/a:rocky:linux:python3.14-libs, cpe:/o:rocky:linux:10, p-cpe:/a:rocky:linux:python3.14-tkinter, p-cpe:/a:rocky:linux:python3.14-debugsource, p-cpe:/a:rocky:linux:python3.14-debuginfo, p-cpe:/a:rocky:linux:python3.14, p-cpe:/a:rocky:linux:python3.14-debug, p-cpe:/a:rocky:linux:python3.14-idle, p-cpe:/a:rocky:linux:python3.14-freethreading-idle, p-cpe:/a:rocky:linux:python3.14-test, p-cpe:/a:rocky:linux:python3.14-freethreading

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/29/2026

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

IAVA: 2026-A-0142-S, 2026-A-0360