Rocky Linux 8 [CIQ] Security Update: grafana-pcp / grafana-pcp-debuginfo / grafana-pcp-debugsource Multiple Vulnerabilities (crlsa-2026_63124)

medium Nessus Plugin ID 356664

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-2026_63124 advisory.

* mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504)

* encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)

* net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)

* net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)

* html/template: golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)

* crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)

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-2026_63124.

See Also

https://access.redhat.com/errata/RHSA-2026:63124

https://bugzilla.redhat.com/show_bug.cgi?id=2484204

https://bugzilla.redhat.com/show_bug.cgi?id=2515815

https://bugzilla.redhat.com/show_bug.cgi?id=2515820

https://bugzilla.redhat.com/show_bug.cgi?id=2515827

https://bugzilla.redhat.com/show_bug.cgi?id=2515838

https://bugzilla.redhat.com/show_bug.cgi?id=2515839

https://errata.build.resf.org/RLSA-2026:63124

http://www.nessus.org/u?0763c4bd

http://www.nessus.org/u?820361b3

Plugin Details

Severity: Medium

ID: 356664

File Name: ciq_rocky_linux_8_crlsa-2026_63124.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: 4.3

Percentile: 53.44

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-56858

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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: 9/5/2026

Vulnerability Publication Date: 6/2/2026

Reference Information

CVE: CVE-2026-33818, CVE-2026-42504, CVE-2026-56853, CVE-2026-56858, CVE-2026-56860, CVE-2026-56862