Resource exhaustion in Codemirror - CVE-2025-6493

Vulnerability identifier: #VU115828

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-6493

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources in the functionality of the file mode/markdown/markdown.js of the component Markdown Mode. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Codemirror
Db2 Intelligence Center
DB2 Data Management Console
watsonx Orchestrate Cartridge for IBM Cloud Pak for Data
WatsonX BI Assistant
Storage Scale
Maximo Application Suite - Visual Inspection Component
watsonx Assistant Cartridge
watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component
IBM Decision Optimization for Cloud Pak for Data
IBM Automation Decision Services
IBM API Connect

Install updates from vendor's website.

Codemirror - update to 5.18.0
Db2 Intelligence Center - update to 1.1.3.0
DB2 Data Management Console - update to 3.1.13.2
watsonx Orchestrate Cartridge for IBM Cloud Pak for Data - update to 5.2.2
IBM Decision Optimization for Cloud Pak for Data - update to 5.2.2
WatsonX BI Assistant - update to 5.2.1
Storage Scale - update to 5.2.3.5
Maximo Application Suite - Visual Inspection Component - update to 8.9.20
IBM API Connect - update to 10.0.8.5
watsonx Assistant Cartridge - update to 5.3.0
watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component - update to 5.3.0

• https://github.com/codemirror/codemirror5/issues/7128
• https://vuldb.com/?ctiid.313610
• https://vuldb.com/?id.313610
• https://vuldb.com/?submit.598875

• Resource exhaustion in CodeMirror
• IBM WatsonX BI Assistant update for CodeMirror
• Multiple vulnerabilities in IBM Decision Optimization for Cloud Pak for Data
• Multiple vulnerabilities in IBM API Connect
• Multiple vulnerabilities in IBM Automation Decision Services
• IBM Storage Scale update for Codemirror
• IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge update for CodeMirror
• Multiple vulnerabilities in IBM DB2 Data Management Console
• Multiple vulnerabilities in IBM Db2 Intelligence Center
• Multiple vulnerabilities in IBM watsonx Orchestrate Cartridge for IBM Cloud Pak for Data
• IBM Maximo Application Suite - Visual Inspection Component update for CodeMirror