Detections
Analytics

SCA: security update for nokogiri, rexical (GHSA-cr5j-953j-xw5p)

critical Tenable Cloud Security Plugin ID 422182

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - A command injection vulnerability in Nokogiri v1.10.3 and earlier allows commands to be executed in a
 subprocess via Ruby's `Kernel.open` method. Processes are vulnerable only if the undocumented method
 `Nokogiri::CSS::Tokenizer#load_file` is being called with unsafe user input as the filename. This
 vulnerability appears in code generated by the Rexical gem versions v1.0.6 and earlier. Rexical is used by
 Nokogiri to generate lexical scanner code for parsing CSS queries. The underlying vulnerability was
 addressed in Rexical v1.0.7 and Nokogiri upgraded to this version of Rexical in Nokogiri v1.10.4.
 (CVE-2019-5477)

See Also

https://github.com/advisories/GHSA-cr5j-953j-xw5p

Plugin Details

Severity: Critical

ID: 422182

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 3/28/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2019-5477

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/19/2019

Vulnerability Publication Date: 8/16/2019

Reference Information

CVE: CVE-2019-5477

cwe: CWE-78