{"id":"CVE-2026-124945","kind":"vulnerability","aliases":["CVE-2026-124945"],"related":[],"title":"Firefox: invalid pointer in text layout and fonts can crash or be exploited","description":"Invalid pointer in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160.","summary":"Firefox has an invalid pointer bug in its Layout: Text and Fonts component. The sources do not say what an attacker gets beyond the memory fault, and the description states only that Firefox 160 fixed it.","severity":"unknown","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["desktop-browser","firefox","other"],"not_affected_if":["firefox-160-or-later"],"how_to_check":"- Check the installed Firefox version in Firefox's About page or with `firefox --version`; versions below `160` are in scope.","fix":"- Firefox: `160`","status":"open","published_at":"2026-11-10T14:17:28+00:00","first_seen_at":"2026-11-10T14:22:19+00:00","triaged_at":"2026-11-10T14:23:59+00:00","updated_at":"2026-11-10T14:23:59+00:00","category":"other","confidence":0.4,"triage":{"at":"2026-11-10T14:23:59Z","model":"claude-haiku-5-5","output":{"fix":"- Firefox: `160`","reach":"internet","title":"Firefox: invalid pointer in text layout and fonts can crash or be exploited","impact":"medium","summary":"Firefox has an invalid pointer bug in its Layout: Text and Fonts component. The sources do not say what an attacker gets beyond the memory fault, and the description states only that Firefox 160 fixed it.","audience":"everyone","category":"other","nicknames":[],"who_cares":["firefox","desktop-browser"],"confidence":0.4,"fix_status":"available","needs_auth":"unknown","worst_case":"unknown; invalid pointer use may allow code execution or crash","analyst_note":"Check the Mozilla security advisory for this CVE at https://nvd.nist.gov/vuln/detail/CVE-2026-124945 to confirm trigger, impact and exploitability.","how_to_check":"- Check the installed Firefox version in Firefox's About page or with `firefox --version`; versions below `160` are in scope.\n- unknown beyond that.","plain_action":"Update Firefox to version 160 or later through its normal update menu.","product_name":"","needs_analyst":true,"not_affected_if":["firefox-160-or-later"],"who_is_affected":"unknown. The sources only say the flaw is in the Layout: Text and Fonts component and was fixed in Firefox 160; they do not describe the trigger or the configuration needed.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"unknown"},"cost_usd":0.000717,"input_tokens":4469,"output_tokens":541,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-124945':16A,19A '-2026':15A,18A '160':57B,74C 'attack':44B 'beyond':46B 'browser':22B 'bug':29B 'compon':36B,67C 'crash':10A 'cve':14A,17A 'descript':52B 'desktop':21B 'desktop-brows':20B 'exploit':13A 'fault':49B 'firefox':1A,23B,24B,56B,73C 'fix':58B,71C 'font':8A,35B,66C 'get':45B 'invalid':2A,27B,59C 'layout':6A,32B,63C 'memori':48B 'pointer':3A,28B,60C 'say':41B 'sourc':38B 'state':53B 'text':5A,33B,64C 'vulner':69C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"available","audience":"everyone","plain_action":"Update Firefox to version 160 or later through its normal update menu.","pkeys":[],"ptokens":[],"labels":["desktopbrowser","firefox","other","unknown"],"campaign_type":null,"search_a":"'-124945':16A,19A '-2026':15A,18A 'crash':10A 'cve':14A,17A 'exploit':13A 'firefox':1A 'font':8A 'invalid':2A 'layout':6A 'pointer':3A 'text':5A","search_b":"'160':57B 'attack':44B 'beyond':46B 'browser':22B 'bug':29B 'compon':36B 'descript':52B 'desktop':21B 'desktop-brows':20B 'fault':49B 'firefox':23B,24B,56B 'fix':58B 'font':35B 'get':45B 'invalid':27B 'layout':32B 'memori':48B 'pointer':28B 'say':41B 'sourc':38B 'state':53B 'text':33B","search_c":"'160':74C 'compon':67C 'firefox':73C 'fix':71C 'font':66C 'invalid':59C 'layout':63C 'pointer':60C 'text':64C 'vulner':69C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-10T14:17:28+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-124945","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124945","severity":null,"published_at":"2026-11-10T14:17:28+00:00","modified_at":"2026-11-10T14:17:28+00:00","first_seen_at":"2026-11-10T14:22:19+00:00","fetched_at":"2026-11-10T14:22:19+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"}