Rocky Linux 8 [CIQ] Security Update: delve / delve-debuginfo / delve-debugsource / go-toolset / golang / etc Multiple Vulnerabilities (crlsa-2021_4156)

high Nessus Plugin ID 358183

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-2021_4156 advisory.

* golang: net: lookup functions may return invalid host names (CVE-2021-33195)

* golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)

* golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)

* golang: net/http/httputil: panic due to racy read of persistConn after handler panic (CVE-2021-36221)

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-2021_4156.

See Also

https://access.redhat.com/errata/RHSA-2021:4156

https://bugzilla.redhat.com/show_bug.cgi?id=1972825

https://bugzilla.redhat.com/show_bug.cgi?id=1976168

https://bugzilla.redhat.com/show_bug.cgi?id=1979100

https://bugzilla.redhat.com/show_bug.cgi?id=1989564

https://bugzilla.redhat.com/show_bug.cgi?id=1989570

https://bugzilla.redhat.com/show_bug.cgi?id=1989575

https://bugzilla.redhat.com/show_bug.cgi?id=1995656

https://errata.build.resf.org/RLSA-2021:4156

http://www.nessus.org/u?46d2c92a

http://www.nessus.org/u?ba38b2b3

Plugin Details

Severity: High

ID: 358183

File Name: ciq_rocky_linux_8_crlsa-2021_4156.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: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-33195

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.6

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

Temporal Vector: CVSS:3.0/E:P/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 8/2/2021

Reference Information

CVE: CVE-2021-33195, CVE-2021-33197, CVE-2021-33198, CVE-2021-36221