Rocky Linux 9 [CIQ] Security Update: python3-jwcrypto (crlsa-2026_19197)

medium Nessus Plugin ID 355292

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Synopsis

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

Description

The Rocky Linux 9 host has a package installed that is affected by a vulnerability as referenced in the CIQ crlsa-2026_19197 advisory.

* JWCrypto: python-cryptography: python: JWCrypto: Memory exhaustion via crafted compressed JWE tokens (CVE-2026-39373)

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-jwcrypto package based on the guidance in CIQ advisory crlsa-2026_19197.

Plugin Details

Severity: Medium

ID: 355292

File Name: ciq_rocky_linux_9_crlsa-2026_19197.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

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: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-39373

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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:P/RL:O/RC:C

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/28/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-39373

Detections

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