{"id":"CVE-2019-13720","kind":"vulnerability","aliases":["CVE-2019-13720"],"related":[],"title":"Google Chrome WebAudio: Google Chrome WebAudio Use-After-Free Vulnerability","description":"Google Chrome WebAudio contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page.\n\nCISA required action: Apply updates per vendor instructions.","summary":"Google Chrome's WebAudio component has a use-after-free bug that corrupts heap memory when a page is crafted to trigger it. A remote attacker who gets a victim to load a malicious HTML page can potentially run code in the browser.","severity":"high","cvss":8.8,"epss":0.49421,"exploited":true,"exploited_at":"2022-05-23T00:00:00+00:00","products":[{"name":"Google Chrome WebAudio","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","exploited","linux","macos","runtime","windows"],"not_affected_if":["chrome-already-updated"],"how_to_check":"Open chrome://version in each browser install and compare the version to the fixed release in the vendor advisory; sources do not give a version number.","fix":"Update Google Chrome to the latest stable release per vendor instructions; the exact fixed version is unknown from the sources.","status":"open","published_at":"2019-11-25T15:15:33+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:17:35+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-23T21:17:35Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome to the latest stable release per vendor instructions; the exact fixed version is unknown from the sources.","reach":"internet","impact":"high","summary":"Google Chrome's WebAudio component has a use-after-free bug that corrupts heap memory when a page is crafted to trigger it. A remote attacker who gets a victim to load a malicious HTML page can potentially run code in the browser.","category":"runtime","who_cares":["chrome","browsers","windows","macos","linux"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker runs code in the browser via a crafted web page","analyst_note":"Find the Chrome release that fixed CVE-2019-13720 and the Google Chrome Releases blog post from 2019 via the CISA KEV entry or NVD to confirm fixed versions.","how_to_check":"Open chrome://version in each browser install and compare the version to the fixed release in the vendor advisory; sources do not give a version number.","needs_analyst":true,"not_affected_if":["chrome-already-updated"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000485,"input_tokens":2841,"output_tokens":402,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-13720':14A,17A '-2019':13A,16A 'action':99C 'allow':83C 'appli':100C 'attack':54B,86C 'browser':21B,71B 'bug':39B 'chrome':2A,5A,19A,22B,29B,73C 'cisa':97C 'code':68B 'compon':32B 'contain':75C 'corrupt':41B,91C 'craft':48B,94C 'cve':12A,15A 'exploit':23B,89C 'free':10A,38B,80C 'get':56B 'googl':1A,4A,28B,72C 'google':18A 'heap':42B,90C 'html':63B,95C 'instruct':104C 'linux':24B 'load':60B 'maco':25B 'malici':62B 'memori':43B 'page':46B,64B,96C 'per':102C 'potenti':66B,88C 'remot':53B,85C 'requir':98C 'run':67B 'runtim':26B 'trigger':50B 'updat':101C 'use':8A,36B,78C 'use-after-fre':7A,35B,77C 'vendor':103C 'via':92C 'victim':58B 'vulner':11A,81C 'webaudio':3A,6A,20A,31B,74C 'window':27B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2019-11-25T15:15:33+00:00","kev":{"dateAdded":"2022-05-23","dueDate":"2022-06-13","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-2019-13720","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2019-13720","severity":null,"published_at":"2022-05-23T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T12:39:24+00:00","note":null},{"source":"epss","external_id":"CVE-2019-13720","url":"https://api.first.org/data/v1/epss?cve=CVE-2019-13720","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-2019-13720","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-13720","severity":null,"published_at":"2019-11-25T15:15:33+00:00","modified_at":"2026-06-17T02:17:17+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+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"}