Six Proto6 flaws in protobuf.js enable RCE and DoS attacks; patched in versions 7.5.6 and 8.0.2 to protect Node.js services.

A critical vulnerability in the popular Node.js sandboxing library vm2 allows escaping the sandbox and executing arbitrary code on the host system. The security issue is tracked as CVE-2026-26956 and ...

In JavaScript, object keys are always strings or symbols, even if you use numbers or booleans as keys. - Key differences between Object and Map: - Key types: Object uses strings and symbols, while Map ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Birgitta Böckeler, Distinguished Engineer at ...

Cybersecurity researchers have discovered a JScript-based command-and-control (C2) framework called PeckBirdy that has been put to use by China-aligned APT actors since 2023 to target multiple ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

CVE-2025-12735 in expr-eval allows remote code execution via unsafe input evaluation Vulnerable versions ≤2.0.2; patched in 2.0.3 and forked in expr-eval-fork 3.0.0 Developers should sanitize ...

Vega-Lite works well with Observable. Learn how to use it in our example notebook. spec Object A copy of the parsed JSON Vega or Vega-Lite spec. vgSpec Object The compiled Vega spec. finalize Function ...

TypeScript’s strong typing enables a variety of features that increase developer efficiency, especially when dealing with enterprise-scale codebases. TypeScript is compiled, rather than interpreted ...

In JavaScript, an array is a special type of object used to store multiple values in a single variable. Arrays are used to store collections of data (such as numbers, strings, objects, or even other ...