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AlmaLinux 8 : python3 (ALSA-2026:2128)

medium Nessus Plugin ID 298194

Synopsis

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

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:2128 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 AlmaLinux 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.almalinux.org/8/ALSA-2026-2128.html

https://access.redhat.com/errata/RHSA-2026:2128

Plugin Details

Severity: Medium

ID: 298194

File Name: alma_linux_ALSA-2026-2128.nasl

Version: 1.1

Type: local

Published: 2/6/2026

Updated: 2/6/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/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:alma:linux:platform-python, cpe:/o:alma:linux:8::sap_hana, p-cpe:/a:alma:linux:python3-test, cpe:/o:alma:linux:8::highavailability, p-cpe:/a:alma:linux:platform-python-devel, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::realtime, p-cpe:/a:alma:linux:python3-tkinter, cpe:/o:alma:linux:8::resilientstorage, p-cpe:/a:alma:linux:python3-libs, cpe:/o:alma:linux:8::sap, p-cpe:/a:alma:linux:python3-idle, cpe:/o:alma:linux:8::appstream, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:platform-python-debug

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/5/2026

Vulnerability Publication Date: 1/20/2026

Reference Information

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

CWE: 74, 77, 93

RHSA: 2026:2128