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Rocky Linux 8 [CIQ] Security Update: Cython-debugsource / PyYAML-debugsource / numpy-debugsource / etc Multiple Vulnerabilities (crlsa-2022_1764)

medium Nessus Plugin ID 357737

Synopsis

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

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2022_1764 advisory.

 * python: urllib: Regular expression DoS in AbstractBasicAuthHandler (CVE-2021-3733)

 * python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass through (CVE-2021-43818)

 * python: urllib.parse does not sanitize URLs containing ASCII newline and tabs (CVE-2022-0391)

 * python: urllib: HTTP client possible infinite loop on a 100 Continue response (CVE-2021-3737)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2022_1764.

See Also

https://access.redhat.com/errata/RHSA-2022:1764

https://bugzilla.redhat.com/show_bug.cgi?id=1995162

https://bugzilla.redhat.com/show_bug.cgi?id=1995234

https://bugzilla.redhat.com/show_bug.cgi?id=2004587

https://bugzilla.redhat.com/show_bug.cgi?id=2006789

https://bugzilla.redhat.com/show_bug.cgi?id=2032569

https://bugzilla.redhat.com/show_bug.cgi?id=2047376

https://errata.build.resf.org/RLSA-2022:1764

http://www.nessus.org/u?55739bf4

http://www.nessus.org/u?f4c6852e

Plugin Details

Severity: Medium

ID: 357737

File Name: ciq_rocky_linux_8_crlsa-2022_1764.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

Percentile: 96.37

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-43818

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS Score Source: CVE-2022-0391

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 5.2

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/10/2022

Vulnerability Publication Date: 8/24/2021

Reference Information

CVE: CVE-2021-3733, CVE-2021-3737, CVE-2021-43818, CVE-2022-0391