{"id":"CVE-2024-7971","kind":"vulnerability","aliases":["CVE-2024-7971"],"related":[],"title":"Type confusion in V8 in Google Chrome prior to 128.0.6613.84 allowed a remote attacker to exploit heap corruption…","description":"Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.\n\nCISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","summary":"Chromium's V8 JavaScript engine has a type confusion bug that corrupts heap memory when a victim loads a crafted HTML page. An attacker who lures a user to that page can potentially run code in the browser.","severity":"critical","cvss":9.6,"epss":null,"exploited":true,"exploited_at":"2024-08-26T00:00:00+00:00","products":[{"name":"Google Chromium V8","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"google chrome","fixed":["128.0.6613.84"],"affected":"< 128.0.6613.84","ecosystem":"vendor"},{"name":"microsoft edge","fixed":["128.0.2739.42"],"affected":"< 128.0.2739.42","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","chromium","edge","exploited","opera","runtime"],"not_affected_if":["up-to-date-browser"],"how_to_check":"Check the installed browser version (for Chrome: chrome://settings/help; for Edge and Opera, their About pages) and compare it with the fixed release named in the vendor advisory.","fix":"Update Google Chrome, Microsoft Edge, Opera and any other Chromium-based browser to a release that includes the V8 fix for CVE-2024-7971.","status":"open","published_at":"2024-08-21T21:15:09+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:58:19+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-23T20:58:19Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome, Microsoft Edge, Opera and any other Chromium-based browser to a release that includes the V8 fix for CVE-2024-7971.\nunknown","reach":"internet","impact":"high","summary":"Chromium's V8 JavaScript engine has a type confusion bug that corrupts heap memory when a victim loads a crafted HTML page. An attacker who lures a user to that page can potentially run code in the browser.","category":"runtime","who_cares":["chrome","edge","opera","chromium","browsers"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code in the browser after a victim visits a crafted page.","analyst_note":"Sources do not list fixed versions or the Chrome release number; check the Chrome Releases blog and the CISA KEV entry for the fixed build and whether the exploit chains to a sandbox escape.","how_to_check":"Check the installed browser version (for Chrome: chrome://settings/help; for Edge and Opera, their About pages) and compare it with the fixed release named in the vendor advisory.\nunknown","needs_analyst":true,"not_affected_if":["up-to-date-browser"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000508,"input_tokens":2862,"output_tokens":444,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2024':20A,23A '-7971':21A,24A '128.0.6613.84':10A 'action':122C 'affect':102C 'allow':11A,86C 'appli':123C 'attack':14A,62B,89C 'browser':32B,76B,105C 'bug':48B 'chrome':7A,29A,33B,115C 'chromium':26A,34B,39B,78C,108C 'cisa':120C 'code':73B 'confus':2A,47B,83C 'contain':80C 'corrupt':18A,50B,93C 'could':101C 'craft':58B,96C 'cve':19A,22A 'discontinu':129C 'edg':35B,117C 'edge':31A 'engin':43B 'exploit':16A,36B,91C 'googl':6A,77C,114C 'google':25A,28A 'heap':17A,51B,92C 'html':59B,97C 'includ':109C 'instruct':127C 'javascript':42B 'limit':112C 'load':56B 'lure':64B 'memori':52B 'microsoft':30A,116C 'mitig':124C,135C 'multipl':103C 'opera':37B,119C 'page':60B,69B,98C 'per':125C 'potenti':71B 'prior':8A 'product':133C 'remot':13A,88C 'requir':121C 'run':72B 'runtim':38B 'type':1A,46B,82C 'unavail':137C 'use':130C 'user':66B 'util':107C 'v8':4A,27A,41B,79C 'vendor':126C 'via':94C 'victim':55B 'vulner':84C,100C 'web':104C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2024-08-21T21:15:09+00:00","kev":{"dateAdded":"2024-08-26","dueDate":"2024-09-16","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2024-7971","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-7971","severity":null,"published_at":"2024-08-26T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T10:39:05+00:00","note":null},{"source":"nvd","external_id":"CVE-2024-7971","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-7971","severity":null,"published_at":"2024-08-21T21:15:09+00:00","modified_at":"2026-06-17T08:21:35+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}