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Outdated Date Library Can Be Used to Slow Down or Crash Your App

medium

Your application is using an old version of Moment.js, a popular tool for handling dates and times. This version has a known weakness: if someone sends it a very long, specially crafted piece of text, it can cause your app to freeze or become unresponsive while it tries to process it. Think of it like a lock that jams when you insert a bent key — the door stops working for everyone until the jam clears.

Exploitable Effort: small
redos denial-of-service javascript npm +5
4 min read Feb 19, 2026

Outdated Date Library Can Be Used to Slow Down or Crash Your Application

high

Your application uses an outdated version of Moment.js — a popular tool developers use to handle dates and times. This version has a known flaw where sending it an unusually long piece of text can cause it to get stuck processing, slowing your app to a crawl or making it temporarily unavailable to users. This only matters if your app accepts date input directly from users or external sources.

Exploitable Effort: small
redos denial-of-service moment.js javascript +6
4 min read Feb 18, 2026

Outdated Date Library Allows Attackers to Tamper with Server Files

high

Your application uses an outdated version of Moment.js — a popular tool for handling dates and times — that contains a known security flaw. If any part of your app lets users choose a language or locale (e.g., 'English', 'French'), an attacker could craft a malicious input to access or manipulate files on your server that they shouldn't be able to touch. This only affects server-side usage, not purely browser-based code.

Exploitable Effort: small
cve path-traversal directory-traversal moment.js +6
5 min read Feb 18, 2026

Outdated Date Library Can Be Used to Slow Down or Freeze Your Application

medium

Your application uses an old version of Moment.js, a popular JavaScript tool for handling dates and times. This version has a known flaw where a specially crafted date string can cause the server to get stuck processing it, making your app slow or unresponsive for other users. Think of it like a trick question that causes a calculator to spin forever — it doesn't break the calculator, but it stops it from doing anything else.

Exploitable Effort: small
redos denial-of-service moment.js javascript +6
4 min read Feb 18, 2026