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CentOS Linux 7.9 [CIQ] Security Update: libevent / libevent-devel / libevent-doc Multiple Vulnerabilities (ciqsa-2026_1590)

high Nessus Plugin ID 363831

Synopsis

The CentOS Linux host is missing one or more security updates.

Description

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-2026_1590 advisory.

 This advisory aggregates security fixes for the libevent SRPM in CIQ CentOS Bridge 7.9. It addresses 2 CVEs: CVE-2026-63383, CVE-2026-63387.

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 ciqsa-2026_1590.

See Also

https://github.com/ctrliq/advisories

http://www.nessus.org/u?0bd5890a

http://www.nessus.org/u?98094d7b

http://www.nessus.org/u?a1ffc038

Plugin Details

Severity: High

ID: 363831

File Name: ciq_centos_7_9_ciqsa-2026_1590.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/7/2026

Updated: 10/7/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.44

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-63387

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

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

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

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-63383

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/7/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-63383, CVE-2026-63387