{"id":"CVE-2026-121095","kind":"vulnerability","aliases":["CVE-2026-121095"],"related":[],"title":"Chrome: uninitialized WebGL memory lets a web page read data","description":"Uninitialized resource in WebGL in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to read memory outside the sandbox via a crafted HTML page. (Chromium security severity: High)","summary":"Google Chrome before 157.0.8103.38 has an uninitialized resource in WebGL that lets a remote attacker read memory outside the browser sandbox through a crafted HTML page. Chromium rates it High severity.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","chrome","desktop","linux","macos","package","windows"],"not_affected_if":["chrome-up-to-date"],"how_to_check":"- Check the Chrome version under Chrome menu > Help > About Google Chrome, or run `google-chrome --version` on Linux.\n- Compare the installed version against `157.0.8103.38`.","fix":"- Google Chrome: move to `157.0.8103.38` or later.","status":"open","published_at":"2026-11-03T21:17:15+00:00","first_seen_at":"2026-11-03T21:19:13+00:00","triaged_at":"2026-11-03T21:25:26+00:00","updated_at":"2026-11-03T21:25:26+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-03T21:25:26Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to `157.0.8103.38` or later.","reach":"internet","title":"Chrome: uninitialized WebGL memory lets a web page read data","impact":"high","summary":"Google Chrome before 157.0.8103.38 has an uninitialized resource in WebGL that lets a remote attacker read memory outside the browser sandbox through a crafted HTML page. Chromium rates it High severity.","audience":"everyone","category":"package","nicknames":[],"who_cares":["chrome","browsers","desktop","windows","macos","linux"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Attacker reads browser process memory outside the sandbox from a crafted page","analyst_note":"","how_to_check":"- Check the Chrome version under Chrome menu > Help > About Google Chrome, or run `google-chrome --version` on Linux.\n- Compare the installed version against `157.0.8103.38`.","plain_action":"Update Google Chrome to version 157.0.8103.38 or later: Chrome menu > Help > About Google Chrome.","needs_analyst":false,"not_affected_if":["chrome-up-to-date"],"who_is_affected":"Anyone running Google Chrome older than 157.0.8103.38 who opens a web page that an attacker controls, so exposure is through ordinary browsing. Managed fleets should confirm the version reported by their browser management tooling. Systems on a Chrome build at or above the fixed version are not affected.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000688,"input_tokens":4101,"output_tokens":556,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121095':13A,16A '-2026':12A,15A '157.0.8103.38':27B,64C 'allow':65C 'attack':38B,68C 'browser':17B,43B 'chrome':1A,18B,25B,61C 'chromium':50B,80C 'craft':47B,77C 'cve':11A,14A 'data':10A 'desktop':19B 'googl':24B,60C 'high':53B,83C 'html':48B,78C 'let':5A,35B 'linux':20B 'maco':21B 'memori':4A,40B,71C 'outsid':41B,72C 'packag':22B 'page':8A,49B,79C 'prior':62C 'rate':51B 'read':9A,39B,70C 'remot':37B,67C 'resourc':31B,56C 'sandbox':44B,74C 'secur':81C 'sever':54B,82C 'uniniti':2A,30B,55C 'via':75C 'web':7A 'webgl':3A,33B,58C 'window':23B","nicknames":[],"mitigations":[],"who_affected":"Anyone running Google Chrome older than 157.0.8103.38 who opens a web page that an attacker controls, so exposure is through ordinary browsing. Managed fleets should confirm the version reported by their browser management tooling. Systems on a Chrome build at or above the fixed version are not affected.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Google Chrome to version 157.0.8103.38 or later: Chrome menu > Help > About Google Chrome.","pkeys":[],"ptokens":[],"labels":["browsers","chrome","desktop","high","linux","macos","package","windows"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:15+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121095","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121095","severity":null,"published_at":"2026-11-03T21:17:15+00:00","modified_at":"2026-11-03T21:17:15+00:00","first_seen_at":"2026-11-03T21:19:13+00:00","fetched_at":"2026-11-03T21:19:13+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"}