Detections
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Fedora 43 : rubygem-json (2026-8c07fcde49)

high Nessus Plugin ID 303923

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 a vulnerability as referenced in the FEDORA-2026-8c07fcde49 advisory.

 This new updates backports a fix for a format string injection vulnerability in JSON.parse, which is now assigned as CVE-2026-33210

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected rubygem-json package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2026-8c07fcde49

Plugin Details

Severity: High

ID: 303923

File Name: fedora_2026-8c07fcde49.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/26/2026

Updated: 3/26/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-33210

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 4.8

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/20/2026

Vulnerability Publication Date: 3/19/2026

Reference Information

CVE: CVE-2026-33210