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Fedora 43 : libevent (2026-728dd9f704)

critical Nessus Plugin ID 344676

Synopsis

The remote Fedora host is missing one or more security updates.

Description

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-728dd9f704 advisory.

 # Update to 2.1.13.

 The following security vulnerabilites are fixed in this update:

 - GHSA-fj29-64w6-73h6 CVE-2026-63383 <https://github.com/libevent/libevent/security/advisories/GHSA- fj29-64w6-73h6>
 - GHSA-45c6-qx49-89m8 CVE-2026-63384 <https://github.com/libevent/libevent/security/advisories/GHSA-45c6-qx49-89m8>
 - GHSA-cvq5-vrvr-j338 CVE-2026-63388 <https://github.com/libevent/libevent/security/advisories/GHSA- cvq5-vrvr-j338>
 - GHSA-58rx-7448-jw47 CVE-2026-63387 <https://github.com/libevent/libevent/security/advisories/GHSA-58rx-7448-jw47>
 - GHSA-2gmv-p5m7-98p6 CVE-2026-63379 <https://github.com/libevent/libevent/security/advisories/GHSA-2gmv-p5m7-98p6>
 - GHSA-c2pj-cg4r-88c8 CVE-2026-63381 <https://github.com/libevent/libevent/security/advisories/GHSA-c2pj- cg4r-88c8>
 - GHSA-q39v-w2g7-gr8j CVE-2026-63382 <https://github.com/libevent/libevent/security/advisories/GHSA-q39v-w2g7-gr8j>
 - GHSA-jcwh-pvf2-73p2 CVE-2026-63385 <https://github.com/libevent/libevent/security/advisories/GHSA-jcwh- pvf2-73p2>

Tenable has extracted the preceding description block directly from the Fedora 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 libevent package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-728dd9f704

Plugin Details

Severity: Critical

ID: 344676

File Name: fedora_2026-728dd9f704.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/11/2026

Updated: 9/11/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Percentile: 96.31

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-63388

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 7.3

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 7.1

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-63385

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:43, p-cpe:/a:fedoraproject:fedora:libevent

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/7/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-63379, CVE-2026-63381, CVE-2026-63382, CVE-2026-63383, CVE-2026-63384, CVE-2026-63385, CVE-2026-63387, CVE-2026-63388