{"id":"CVE-2023-7024","kind":"vulnerability","aliases":["CVE-2023-7024"],"related":[],"title":"Heap buffer overflow in WebRTC in Google Chrome prior to 120.0.6099.129 allowed a remote attacker to potentially…","description":"Google Chromium WebRTC, an open-source project providing web browsers with real-time communication, contains a heap buffer overflow vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could impact web browsers using WebRTC, including but not limited to Google Chrome.\n\nCISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","summary":"A heap buffer overflow in the WebRTC component of Chromium lets a remote attacker corrupt heap memory by getting a victim to load a crafted HTML page. Exploitation in the wild is confirmed by CISA's KEV catalog.","severity":"high","cvss":8.8,"epss":null,"exploited":true,"exploited_at":"2024-01-02T00:00:00+00:00","products":[{"name":"Google Chromium WebRTC","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"google chrome","fixed":["120.0.6099.129"],"affected":"< 120.0.6099.129","ecosystem":"vendor"},{"name":"debian linux","fixed":[],"affected":"= 11.0","ecosystem":"vendor"},{"name":"debian linux","fixed":[],"affected":"= 12.0","ecosystem":"vendor"},{"name":"fedoraproject fedora","fixed":[],"affected":"= 38","ecosystem":"vendor"},{"name":"fedoraproject fedora","fixed":[],"affected":"= 39","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","chromium","exploited","runtime","webrtc"],"not_affected_if":["default-config"],"how_to_check":null,"fix":"Update Google Chrome and other Chromium-based browsers to a release that includes the vendor's fix; the sources do not name the fixed version.","status":"open","published_at":"2023-12-21T23:15:11+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T21:02:37+00:00","updated_at":"2026-10-23T22:29:04+00:00","category":"runtime","confidence":0.7,"triage":{"at":"2026-10-23T21:02:37Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome and other Chromium-based browsers to a release that includes the vendor's fix; the sources do not name the fixed version.\nunknown","reach":"internet","impact":"high","summary":"A heap buffer overflow in the WebRTC component of Chromium lets a remote attacker corrupt heap memory by getting a victim to load a crafted HTML page. Exploitation in the wild is confirmed by CISA's KEV catalog.","category":"runtime","who_cares":["chrome","chromium","browsers","webrtc"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker corrupts browser heap memory, possibly running code in the browser.","analyst_note":"Find the fixed Chrome version and vendor advisory for CVE-2023-7024 (Chrome Releases blog) and confirm whether it is exploited as a zero-day in Chrome.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["default-config"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000478,"input_tokens":2881,"output_tokens":379,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2023':19A,22A '-7024':20A,23A '120.0.6099.129':11A 'action':135C 'allow':12A,104C 'appli':136C 'attack':15A,56B,107C 'browser':37B,91C,123C 'buffer':2A,45B,100C 'catalog':80B 'chrome':8A,28A,38B,132C 'chromium':25A,39B,52B,82C 'cisa':77B,133C 'communic':96C 'compon':50B 'confirm':75B 'contain':97C 'corrupt':57B,112C 'could':120C 'craft':67B,115C 'cve':18A,21A 'debian':29A,31A 'discontinu':142C 'exploit':40B,70B,110C 'fedora':34A,36A 'fedoraproject':33A,35A 'get':61B 'googl':7A,81C,131C 'google':24A,27A 'heap':1A,44B,58B,99C,111C 'html':68B,116C 'impact':121C 'includ':126C 'instruct':140C 'kev':79B 'let':53B 'limit':129C 'linux':30A,32A 'load':65B 'memori':59B 'mitig':137C,148C 'open':86C 'open-sourc':85C 'overflow':3A,46B,101C 'page':69B,117C 'per':138C 'potenti':17A,109C 'prior':9A 'product':146C 'project':88C 'provid':89C 'real':94C 'real-tim':93C 'remot':14A,55B,106C 'requir':134C 'runtim':41B 'sourc':87C 'time':95C 'unavail':150C 'use':124C,143C 'vendor':139C 'via':113C 'victim':63B 'vulner':102C,119C 'web':90C,122C 'webrtc':5A,26A,42B,49B,83C,125C 'wild':73B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2023-12-21T23:15:11+00:00","kev":{"dateAdded":"2024-01-02","dueDate":"2024-01-23","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:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2023-7024","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2023-7024","severity":null,"published_at":"2024-01-02T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T12:39:23+00:00","note":null},{"source":"nvd","external_id":"CVE-2023-7024","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-7024","severity":null,"published_at":"2023-12-21T23:15:11+00:00","modified_at":"2026-06-17T06:51:53+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"}