Detections
Analytics

SCA: security update for oj (GHSA-9cv6-qcjw-4grx)

medium Tenable Cloud Security Plugin ID 443710

Description

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

 - Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to
 3.17.2, when in usual mode with create_id enabled, Oj::Parser#parse is vulnerable to heap corruption via a
 negative-size memcpy. When a JSON object key is exactly 65,535 bytes long, an integer truncation in
 form_attr (usual.c:63) converts the length to -1 before passing it to memcpy. This causes memcpy to copy
 SIZE_MAX bytes (interpreted as a huge size_t), corrupting heap memory and crashing the process. The issue
 has been fixed in version 3.17.2. (CVE-2026-54900)

Solution

Update the oj library and its related packages to version 3.17.3 or later.

See Also

https://github.com/advisories/GHSA-9cv6-qcjw-4grx

Plugin Details

Severity: Medium

ID: 443710

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 6/20/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.92

Vendor

Vendor Severity: High

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-2026-54900

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: Medium

Base Score: 6.3

Threat Score: 1.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/19/2026

Vulnerability Publication Date: 6/19/2026

Reference Information

CVE: CVE-2026-54900

cwe: CWE-416