Detections
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SCA: security update for gopkg.in/yaml.v2 (GHSA-r88r-gmrh-7j83)

medium Tenable Self-Hosted Container Security Plugin ID 418593

Description

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

 - Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume
 significant system resources. If parsing user input, this may be used as a denial of service vector.
 (CVE-2021-4235)

See Also

https://github.com/advisories/GHSA-r88r-gmrh-7j83

Plugin Details

Severity: Medium

ID: 418593

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2021-4235

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/28/2022

Vulnerability Publication Date: 12/27/2022

Reference Information

CVE: CVE-2021-4235