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Rocky Linux 8 [CIQ] Security Update: python3-idna (crlsa-2026_54290)

medium Nessus Plugin ID 358067

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Synopsis

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

Description

The Rocky Linux 8 host has a package installed that is affected by a vulnerability as referenced in the CIQ crlsa-2026_54290 advisory.

 * python-idna: idna: Denial of Service via specially crafted long inputs (CVE-2026-45409)

Tenable has extracted the preceding description block directly from the CIQ security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected python3-idna package based on the guidance in CIQ advisory crlsa-2026_54290.

See Also

https://access.redhat.com/errata/RHSA-2026:54290

https://bugzilla.redhat.com/show_bug.cgi?id=2485616

https://errata.build.resf.org/RLSA-2026:54290

http://www.nessus.org/u?3b548a1a

http://www.nessus.org/u?93d68a7a

Plugin Details

Severity: Medium

ID: 358067

File Name: ciq_rocky_linux_8_crlsa-2026_54290.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.2

Percentile: 50.55

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-45409

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 2.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-45409