Rocky Linux 8 [CIQ] Security Update: varnish / varnish-devel / varnish-docs / varnish-modules / etc Multiple Vulnerabilities (crlsa-2020_4756)

high Nessus Plugin ID 358078

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-2020_4756 advisory.

* varnish: denial of service handling certain crafted HTTP/1 requests (CVE-2019-15892)

* varnish: remote clients may cause Varnish to assert and restart which could result in DoS (CVE-2020-11653)

* varnish: not clearing pointer between two client requests leads to information disclosure (CVE-2019-20637)

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-2020_4756.

Plugin Details

Severity: High

ID: 358078

File Name: ciq_rocky_linux_8_crlsa-2020_4756.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-20637

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/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: 11/3/2020

Vulnerability Publication Date: 9/3/2019

Reference Information

CVE: CVE-2019-15892, CVE-2019-20637, CVE-2020-11653

Detections

Analytics