Rocky Linux 8 [CIQ] Security Update: python3-rpm / python3-rpm-debuginfo / rpm / rpm-apidocs / rpm-build / etc (crlsa-2021_4489)

medium Nessus Plugin ID 358563

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 a vulnerability as referenced in the CIQ crlsa-2021_4489 advisory.

* rpm: missing length checks in hdrblobInit() (CVE-2021-20266)

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 packages based on the guidance in CIQ advisory crlsa-2021_4489.

See Also

https://access.redhat.com/errata/RHSA-2021:4489

https://bugzilla.redhat.com/show_bug.cgi?id=1840142

https://bugzilla.redhat.com/show_bug.cgi?id=1927741

https://bugzilla.redhat.com/show_bug.cgi?id=1938928

https://bugzilla.redhat.com/show_bug.cgi?id=1996665

https://errata.build.resf.org/RLSA-2021:4489

http://www.nessus.org/u?0dc2e74c

http://www.nessus.org/u?20b54e3f

Plugin Details

Severity: Medium

ID: 358563

File Name: ciq_rocky_linux_8_crlsa-2021_4489.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: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2021-20266

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

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

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

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 3/22/2021

Reference Information

CVE: CVE-2021-20266