{"id":"CVE-2026-121213","kind":"vulnerability","aliases":["CVE-2026-121213"],"related":[],"title":"Chrome: uninitialized image resource leaks cross-origin data from crafted pages","description":"Uninitialized resource in Images in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)","summary":"A flaw in how Google Chrome's Images component handles memory lets a crafted HTML page read cross-origin data. An attacker who gets a victim to open that page can obtain data from other sites the victim uses.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browser","chrome","desktop","package"],"not_affected_if":["chrome-at-or-above-157.0.8103.38"],"how_to_check":"- Check the installed Chrome version in Chrome's About page (chrome://settings/help) or with `google-chrome --version` on Linux.","fix":"- Google Chrome: move to a version at or after `157.0.8103.38`.","status":"open","published_at":"2026-11-03T21:17:30+00:00","first_seen_at":"2026-11-03T21:19:26+00:00","triaged_at":"2026-11-03T21:22:37+00:00","updated_at":"2026-11-03T21:22:37+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-11-03T21:22:37Z","model":"claude-haiku-5-5","output":{"fix":"- Google Chrome: move to a version at or after `157.0.8103.38`.","reach":"internet","title":"Chrome: uninitialized image resource leaks cross-origin data from crafted pages","impact":"medium","summary":"A flaw in how Google Chrome's Images component handles memory lets a crafted HTML page read cross-origin data. An attacker who gets a victim to open that page can obtain data from other sites the victim uses.","audience":"everyone","category":"package","nicknames":[],"who_cares":["chrome","desktop","browser"],"confidence":0.7,"fix_status":"available","needs_auth":"no","worst_case":"Cross-origin data from other sites is readable by the attacker's page.","analyst_note":"","how_to_check":"- Check the installed Chrome version in Chrome's About page (chrome://settings/help) or with `google-chrome --version` on Linux.\n- unknown for managed fleets beyond this; the sources do not name a configuration check.","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-at-or-above-157.0.8103.38"],"who_is_affected":"Any installation of Google Chrome before 157.0.8103.38 is affected, since the flaw is in the browser's image handling and needs only a visit to a crafted page. Chromium-based browsers that pick up the same fix are in the same position. Systems where the browser is not used for web browsing are less exposed.","user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000692,"input_tokens":4096,"output_tokens":565,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-121213':15A,18A '-2026':14A,17A '157.0.8103.38':72C 'allow':73C 'attack':45B,76C 'browser':19B 'chrome':1A,20B,28B,69C 'chromium':88C 'compon':31B 'craft':11A,36B,85C 'cross':7A,41B,80C 'cross-origin':6A,40B,79C 'cve':13A,16A 'data':9A,43B,56B,82C 'desktop':21B 'flaw':24B 'get':47B 'googl':27B,68C 'handl':32B 'high':91C 'html':37B,86C 'imag':3A,30B,66C 'leak':5A 'let':34B 'memori':33B 'obtain':55B,78C 'open':51B 'origin':8A,42B,81C 'packag':22B 'page':12A,38B,53B,87C 'prior':70C 'read':39B 'remot':75C 'resourc':4A,64C 'secur':89C 'sever':90C 'site':59B 'uniniti':2A,63C 'use':62B 'via':83C 'victim':49B,61B","nicknames":[],"mitigations":[],"who_affected":"Any installation of Google Chrome before 157.0.8103.38 is affected, since the flaw is in the browser's image handling and needs only a visit to a crafted page. Chromium-based browsers that pick up the same fix are in the same position. Systems where the browser is not used for web browsing are less exposed.","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":["browser","chrome","desktop","high","package"],"campaign_type":null,"first_public_at":"2026-11-03T21:17:30+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-121213","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-121213","severity":null,"published_at":"2026-11-03T21:17:30+00:00","modified_at":"2026-11-03T21:17:30+00:00","first_seen_at":"2026-11-03T21:19:26+00:00","fetched_at":"2026-11-03T21:19:26+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"}