SUSE SLED15 / SLES15 Security Update : python-anyio (SUSE-SU-2026:4416-1)

critical Nessus Plugin ID 362805

Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4416-1 advisory.

- CVE-2026-63374: : TLSStream IDNA 2003 host name encoding enables potential TLS certificate spoofing (bsc#1281476).
- CVE-2026-64847: AnyIO process-pool workers can block indefinitely on undrained stderr (bsc#1281475).

Tenable has extracted the preceding description block directly from the SUSE 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 python311-anyio package.

Plugin Details

Severity: Critical

ID: 362805

File Name: suse_SU-2026-4416-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 10/3/2026

Updated: 10/3/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.18

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-63374

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:python311-anyio

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/2/2026

Vulnerability Publication Date: 9/18/2026

Reference Information

CVE: CVE-2026-63374, CVE-2026-64847

SuSE: SUSE-SU-2026:4416-1

Detections

Analytics