{"id":"CVE-2026-124930","kind":"vulnerability","aliases":["CVE-2026-124930"],"related":[],"title":"Firefox: Address Bar flaw leaks information to attackers","description":"Information disclosure in the Address Bar component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.","summary":"A flaw in the Firefox Address Bar component lets information be disclosed. The sources do not say what information or how an attacker triggers it.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["browsers","firefox","other"],"not_affected_if":["up-to-date-firefox"],"how_to_check":"- Check the installed Firefox version in the browser's About menu or with `firefox --version`\n- Compare it against the fixed versions `160` (Firefox) and `153.7` (Firefox ESR)","fix":"- Firefox: `160`\n- Firefox ESR: `153.7`","status":"open","published_at":"2026-11-10T14:17:27+00:00","first_seen_at":"2026-11-10T14:22:18+00:00","triaged_at":"2026-11-10T14:24:17+00:00","updated_at":"2026-11-10T14:24:17+00:00","category":"other","confidence":0.5,"triage":{"at":"2026-11-10T14:24:17Z","model":"claude-haiku-5-5","output":{"fix":"- Firefox: `160`\n- Firefox ESR: `153.7`","reach":"unknown","title":"Firefox: Address Bar flaw leaks information to attackers","impact":"low","summary":"A flaw in the Firefox Address Bar component lets information be disclosed. The sources do not say what information or how an attacker triggers it.","audience":"everyone","category":"other","nicknames":[],"who_cares":["firefox","browsers"],"confidence":0.5,"fix_status":"available","needs_auth":"unknown","worst_case":"unknown information disclosure from the browser","analyst_note":"Check Mozilla's advisory for this CVE to confirm what information is disclosed and how it is triggered.","how_to_check":"- Check the installed Firefox version in the browser's About menu or with `firefox --version`\n- Compare it against the fixed versions `160` (Firefox) and `153.7` (Firefox ESR)","plain_action":"Update Firefox to version 160 or Firefox ESR to 153.7 from the browser's update menu.","product_name":"","needs_analyst":true,"not_affected_if":["up-to-date-firefox"],"who_is_affected":"Anyone running Firefox before version 160 or Firefox ESR before 153.7. The sources do not describe the exposed feature or the data at risk, so the exact exposure is unknown.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"low"},"cost_usd":0.000696,"input_tokens":4468,"output_tokens":499,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-124930':11A,14A '-2026':10A,13A '153.7':58C '160':54C 'address':2A,22B,45C 'attack':8A,39B 'bar':3A,23B,46C 'browser':15B 'compon':24B,47C 'cve':9A,12A 'disclos':28B 'disclosur':42C 'esr':57C 'firefox':1A,16B,21B,53C,56C 'fix':51C 'flaw':4A,18B 'inform':6A,26B,35B,41C 'leak':5A 'let':25B 'say':33B 'sourc':30B 'trigger':40B 'vulner':49C","nicknames":[],"mitigations":[],"who_affected":"Anyone running Firefox before version 160 or Firefox ESR before 153.7. The sources do not describe the exposed feature or the data at risk, so the exact exposure is unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Firefox to version 160 or Firefox ESR to 153.7 from the browser's update menu.","pkeys":[],"ptokens":[],"labels":["browsers","firefox","other","unknown"],"campaign_type":null,"search_a":"'-124930':11A,14A '-2026':10A,13A 'address':2A 'attack':8A 'bar':3A 'cve':9A,12A 'firefox':1A 'flaw':4A 'inform':6A 'leak':5A","search_b":"'address':22B 'attack':39B 'bar':23B 'browser':15B 'compon':24B 'disclos':28B 'firefox':16B,21B 'flaw':18B 'inform':26B,35B 'let':25B 'say':33B 'sourc':30B 'trigger':40B","search_c":"'153.7':58C '160':54C 'address':45C 'bar':46C 'compon':47C 'disclosur':42C 'esr':57C 'firefox':53C,56C 'fix':51C 'inform':41C 'vulner':49C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T14:17:27+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-124930","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124930","severity":null,"published_at":"2026-11-10T14:17:27+00:00","modified_at":"2026-11-10T14:17:27+00:00","first_seen_at":"2026-11-10T14:22:18+00:00","fetched_at":"2026-11-10T14:22:18+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}