{"id":"CVE-2026-113151","kind":"vulnerability","aliases":["CVE-2026-113151"],"related":[],"title":"Google Chrome: out-of-bounds read lets a crafted page read sandbox memory","description":"Out of bounds read in Actor in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)","summary":"A flaw in the Actor component of Google Chrome before 156.0.8078.47 is an out-of-bounds memory read. A remote attacker can read memory inside the browser sandbox by getting a user to load a crafted HTML page.","severity":"medium","cvss":6.5,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"google chrome","fixed":["156.0.8078.47"],"affected":"< 156.0.8078.47","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browser","chrome","desktop","other"],"not_affected_if":["up-to-date-chrome"],"how_to_check":"- Check the installed Chrome version in the browser's About page or with `google-chrome --version` on Linux\n- Managed fleets: query the Chrome version reported by your device management console\n- Compare the result against `156.0.8078.47`","fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Relaunch the browser after the update so the fixed build is running","status":"open","published_at":"2026-10-20T22:19:07+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","triaged_at":"2026-10-25T03:53:11+00:00","updated_at":"2026-10-25T03:53:11+00:00","category":"other","confidence":0.6,"triage":{"at":"2026-10-25T03:53:11Z","model":"claude-haiku-5-5","output":{"fix":"- Update Google Chrome to `156.0.8078.47` or later\n- Relaunch the browser after the update so the fixed build is running","reach":"internet","title":"Google Chrome: out-of-bounds read lets a crafted page read sandbox memory","impact":"low","summary":"A flaw in the Actor component of Google Chrome before 156.0.8078.47 is an out-of-bounds memory read. A remote attacker can read memory inside the browser sandbox by getting a user to load a crafted HTML page.","category":"other","nicknames":[],"who_cares":["chrome","desktop","browser"],"confidence":0.6,"needs_auth":"no","worst_case":"Attacker reads sandboxed browser memory after a victim opens a page","analyst_note":"","how_to_check":"- Check the installed Chrome version in the browser's About page or with `google-chrome --version` on Linux\n- Managed fleets: query the Chrome version reported by your device management console\n- Compare the result against `156.0.8078.47`","needs_analyst":false,"not_affected_if":["up-to-date-chrome"],"who_is_affected":"Anyone running Google Chrome older than 156.0.8078.47 who visits web pages, including managed desktop fleets and developer machines. Systems on a current Chrome build, or with auto-update working, are not affected; the sources do not describe a server-side or configuration-dependent exposure.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"unknown"},"cost_usd":0.000593,"input_tokens":3333,"output_tokens":519,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-113151':17A,20A '-2026':16A,19A '156.0.8078.47':36B,76C 'actor':30B,70C 'allow':77C 'attack':47B,80C 'bound':6A,42B,67C 'browser':23B,53B 'chrome':2A,22A,24B,34B,73C 'chromium':92C 'compon':31B 'craft':10A,62B,89C 'cve':15A,18A 'desktop':25B 'flaw':27B 'get':56B 'googl':1A,33B,72C 'google':21A 'html':63B,90C 'insid':51B,84C 'let':8A 'load':60B 'medium':95C 'memori':14A,43B,50B,83C 'out-of-bound':3A,39B 'page':11A,64B,91C 'prior':74C 'read':7A,12A,44B,49B,68C,82C 'remot':46B,79C 'sandbox':13A,54B,86C 'secur':93C 'sever':94C 'user':58B 'via':87C","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 156.0.8078.47 who visits web pages, including managed desktop fleets and developer machines. Systems on a current Chrome build, or with auto-update working, are not affected; the sources do not describe a server-side or configuration-dependent exposure.","tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T22:19:07+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cvss_by":"134c704f-9b21-4f2e-91b3-4a467353bcc0","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-113151","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113151","severity":null,"published_at":"2026-10-20T22:19:07+00:00","modified_at":"2026-10-22T15:32:10+00:00","first_seen_at":"2026-10-23T21:57:24+00:00","fetched_at":"2026-10-23T22:28:59+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"}