{"id":229054,"date":"2026-01-15T01:19:25","date_gmt":"2026-01-15T07:19:25","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/01\/critical-node-js-vulnerability-can-cause-server-crashes-via-async_hooks-stack-overflow"},"modified":"2026-01-15T01:19:25","modified_gmt":"2026-01-15T07:19:25","slug":"critical-node-js-vulnerability-can-cause-server-crashes-via-async_hooks-stack-overflow","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/01\/critical-node-js-vulnerability-can-cause-server-crashes-via-async_hooks-stack-overflow","title":{"rendered":"Critical Node.js Vulnerability Can Cause Server Crashes via async_hooks Stack Overflow"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/critical-node-js-vulnerability-can-cause-server-crashes-via-async_hooks-stack-overflow2.jpg\"><\/a><\/p>\n<p>Node.js has released updates to fix what it described as a critical security issue impacting \u201cvirtually every production Node.js app\u201d that, if successfully exploited, could trigger a denial-of-service (DoS) condition.<\/p>\n<p>\u201cNode.js\/V8 makes a best-effort attempt to recover from stack space exhaustion with a catchable error, which frameworks have come to rely on for service availability,\u201d Node.js\u2019s Matteo Collina and Joyee Cheung <a href=\"https:\/\/nodejs.org\/en\/blog\/vulnerability\/january-2026-dos-mitigation-async-hooks\" rel=\"noopener\" target=\"_blank\">said<\/a> in a Tuesday bulletin.<\/p>\n<p>\u201cA bug that only reproduces when async_hooks are used would break this attempt, causing Node.js to exit with 7 directly without throwing a catchable error when recursions in user code exhaust the stack space. This makes applications whose recursion depth is controlled by unsanitized input vulnerable to denial-of-service attacks.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Node.js has released updates to fix what it described as a critical security issue impacting \u201cvirtually every production Node.js app\u201d that, if successfully exploited, could trigger a denial-of-service (DoS) condition. \u201cNode.js\/V8 makes a best-effort attempt to recover from stack space exhaustion with a catchable error, which frameworks have come to rely on for service availability,\u201d [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1492,8],"tags":[],"class_list":["post-229054","post","type-post","status-publish","format-standard","hentry","category-security","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229054","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=229054"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229054\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=229054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=229054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=229054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}