✕

Rewterz Annual Threat Intelligence Report 2025 - Download Now

Request a Demo

Extended Detection and Response (XDR): The Next Big Thing In Security?

January 11, 2022
Rewterz

Rewterz Threat Advisory – CVE-2022-23222 – Linux Kernel Vulnerability

January 17, 2022

Rewterz Threat Advisory – Multiple Node.js marked module Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-21681 

Node.js marked module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in inline.reflinkSearch. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.

CVE-2022-21680 

Node.js marked module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in block.def. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.

Impact

  • Denial of Service

Affected Vendors

Node.js

Affected Products

  • Node.js marked 4.0.9

Remediation

Upgrade to the latest version of Marked, available from the Marked GIT Repository.

https://github.com/markedjs/marked/security/advisories/GHSA-rrrm-qjm4-v8hf

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.

Request a demo