RockyLinux 8 : python3.12 (RLSA-2026:4463)

medium Nessus Plugin ID 301990

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-2026:4463 advisory.

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

* cpython: IMAP command injection in user-controlled commands (CVE-2025-15366)

* cpython: POP3 command injection in user-controlled commands (CVE-2025-15367)

* cpython: email header injection due to unquoted newlines (CVE-2026-1299)

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.

Plugin Details

Severity: Medium

ID: 301990

File Name: rocky_linux_RLSA-2026-4463.nasl

Version: 1.1

Type: local

Family: Rocky Linux Local Security Checks

Published: 3/12/2026

Updated: 3/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.0

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-1299

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 2.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:python3.12-tkinter, p-cpe:/a:rocky:linux:python3.12-libs, p-cpe:/a:rocky:linux:python3.12, p-cpe:/a:rocky:linux:python3.12-idle, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:python3.12-debugsource, p-cpe:/a:rocky:linux:python3.12-test, p-cpe:/a:rocky:linux:python3.12-debuginfo, p-cpe:/a:rocky:linux:python3.12-debug, p-cpe:/a:rocky:linux:python3.12-devel, p-cpe:/a:rocky:linux:python3.12-rpm-macros

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: 3/12/2026

Vulnerability Publication Date: 1/20/2026

Reference Information

CVE: CVE-2025-15366, CVE-2025-15367, CVE-2026-0865, CVE-2026-1299

IAVA: 2026-A-0142

Detections

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