{
  "id": 16025942,
  "title": "New QPACK Flaws Can Crash HTTP/3 Servers, Trigger Up to 4,000-Fold Memory Amplification",
  "url": "https://urgent.news/2026/10/22/new-qpack-flaws-can-crash-http-3-servers-trigger-up-to-4-000-fold",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-22T06:38:31.000Z",
  "source": {
    "name": "The Hacker News",
    "slug": "the-hacker-news",
    "url": "https://thehackernews.com/2026/10/new-qpack-flaws-can-crash-http3-servers.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "A remote attacker who has not logged in can crash many HTTP/3 web servers with a single connection, security firm FoxIO disclosed, releasing working proof-of-concept code. By sending a small batch of compressed HTTP headers that expands in memory to a much larger set, the attacker can force the server to use thousands of times more memory than it received, enough to run a default server",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}