Rocky Linux 8 [CIQ] Security Update: nginx / nginx-all-modules / nginx-debuginfo / nginx-debugsource / etc Multiple Vulnerabilities (crlsa-2019_2799)

high Nessus Plugin ID 353982

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-2019_2799 advisory.

* HTTP/2: large amount of data request leads to denial of service (CVE-2019-9511)

* HTTP/2: flood using PRIORITY frames resulting in excessive resource consumption (CVE-2019-9513)

* HTTP/2: 0-length headers leads to denial of service (CVE-2019-9516)

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-2019_2799.

See Also

https://access.redhat.com/errata/RHSA-2019:2799

https://bugzilla.redhat.com/show_bug.cgi?id=1735741

https://bugzilla.redhat.com/show_bug.cgi?id=1741860

https://bugzilla.redhat.com/show_bug.cgi?id=1741864

https://errata.build.resf.org/RLSA-2019:2799

http://www.nessus.org/u?393ff589

http://www.nessus.org/u?f6320d03

Plugin Details

Severity: High

ID: 353982

File Name: ciq_rocky_linux_8_crlsa-2019_2799.nasl

Version: 1.2

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: 23.9

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2019-9513

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: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: 9/17/2019

Vulnerability Publication Date: 8/9/2019

Reference Information

CVE: CVE-2019-9511, CVE-2019-9513, CVE-2019-9516