{"id":"CVE-2018-6065","kind":"vulnerability","aliases":["CVE-2018-6065"],"related":[],"title":"Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in…","description":"Google Chromium V8 Engine contains an integer overflow vulnerability that allows a remote attacker to potentially 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 updates per vendor instructions.","summary":"Integer overflow in the Chromium V8 JavaScript engine lets a crafted HTML page corrupt heap memory. An attacker who gets a victim to load the page can potentially run code in the browser's renderer.","severity":"high","cvss":8.8,"epss":0.60304,"exploited":true,"exploited_at":"2022-06-08T00:00:00+00:00","products":[{"name":"Google Chromium V8","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"google chrome","fixed":["65.0.3325.146"],"affected":"< 65.0.3325.146","ecosystem":"vendor"},{"name":"redhat enterprise linux desktop","fixed":[],"affected":"= 6.0","ecosystem":"vendor"},{"name":"redhat enterprise linux server","fixed":[],"affected":"= 6.0","ecosystem":"vendor"},{"name":"redhat enterprise linux workstation","fixed":[],"affected":"= 6.0","ecosystem":"vendor"},{"name":"debian linux","fixed":[],"affected":"= 9.0","ecosystem":"vendor"},{"name":"mi mi6 browser","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","chromium","edge","exploited","opera","runtime"],"not_affected_if":["patched-browser"],"how_to_check":"Open chrome://version (or the equivalent About page in Edge or Opera) and compare the version with the fixed release from the vendor advisory.","fix":"Update Chrome, Edge, Opera or any other Chromium-based browser to the latest release, as CISA instructs.","status":"open","published_at":"2018-11-14T15:29:01+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:12:58+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-23T21:12:58Z","model":"claude-haiku-5-5","output":{"fix":"Update Chrome, Edge, Opera or any other Chromium-based browser to the latest release, as CISA instructs.\nunknown","reach":"internet","impact":"high","summary":"Integer overflow in the Chromium V8 JavaScript engine lets a crafted HTML page corrupt heap memory. An attacker who gets a victim to load the page can potentially run code in the browser's renderer.","category":"runtime","who_cares":["chrome","chromium","edge","opera","browsers"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code in the browser renderer after victim visits a page","analyst_note":"Find the fixed Chromium version and the Google Chrome release notes for CVE-2018-6065 (CISA KEV entry lists only generic update action).","how_to_check":"Open chrome://version (or the equivalent About page in Edge or Opera) and compare the version with the fixed release from the vendor advisory.\nunknown\nunknown","needs_analyst":true,"not_affected_if":["patched-browser"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000489,"input_tokens":2889,"output_tokens":401,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2018':18A,21A '-6065':19A,22A 'action':134C 'affect':114C 'alloc':7A 'allow':97C 'appli':135C 'attack':69B,100C 'browser':44A,45B,84B,117C 'chrome':27A,46B,127C 'chromium':24A,47B,56B,88C,120C 'cisa':132C 'code':81B 'comput':4A 'contain':91C 'corrupt':65B,105C 'could':113C 'craft':62B,108C 'cve':17A,20A 'debian':40A 'desktop':31A 'edg':48B,129C 'engin':59B,90C 'enterprise':29A,33A,37A 'exploit':49B,103C 'get':71B 'googl':87C,126C 'google':23A,26A 'heap':66B,104C 'html':63B,109C 'includ':121C 'instanti':10A 'instruct':139C 'integ':1A,52B,93C 'javascript':13A,58B 'let':60B 'limit':124C 'linux':30A,34A,38A,41A 'load':75B 'memori':67B 'mi':42A 'mi6':43A 'microsoft':128C 'multipl':115C 'new':12A 'object':14A 'opera':50B,131C 'overflow':2A,53B,94C 'page':64B,77B,110C 'per':137C 'potenti':79B,102C 'redhat':28A,32A,36A 'remot':99C 'render':86B 'requir':6A,133C 'run':80B 'runtim':51B 'server':35A 'size':8A 'updat':136C 'util':119C 'v8':16A,25A,57B,89C 'vendor':138C 'via':106C 'victim':73B 'vulner':95C,112C 'web':116C 'workstation':39A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2018-11-14T15:29:01+00:00","kev":{"dateAdded":"2022-06-08","dueDate":"2022-06-22","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2018-6065","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-6065","severity":null,"published_at":"2022-06-08T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T14:39:39+00:00","note":null},{"source":"epss","external_id":"CVE-2018-6065","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-6065","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2018-6065","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6065","severity":null,"published_at":"2018-11-14T15:29:01+00:00","modified_at":"2026-06-17T02:01:16+00:00","first_seen_at":"2026-10-23T22:29:04+00:00","fetched_at":"2026-10-23T22:29:04+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"}