{"id":"EM-20261110-25Y9","url":"https://cyber.eventmonitor.net/incident/EM-20261110-25Y9/layout-vulnerability-cve-2026-124888/","type":"cve","title":"Layout Vulnerability (CVE-2026-124888)","subtitle":"CVE-2026-124888","subject":"CVE-2026-124888","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-10T14:17:22.243Z","firstSignal":"2026-11-10T13:28:22.000Z","lastSignal":"2026-11-10T14:17:22.243Z","updated":"2026-11-12T00:31:06.720Z","revision":1,"life":[{"status":"Born","at":"2026-11-10T14:17:22.243Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-10T14:17:22.243Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-10T13:28:22.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-10T14:17:22.243Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261110-25Y9 created."}],"stages":[{"name":"Disclosed","at":"2026-11-10T14:17:22.243Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-10T14:17:22.243Z","detail":"CVSS 8.8"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-10T13:28:22.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-10T13:28:22.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-124888 (important)","text":"firefox: thunderbird: Incorrect boundary conditions in the Layout: Text and Fonts component","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-124888.json"},{"at":"2026-11-10T14:17:22.243Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-124888 (CVSS 8.8)","text":"Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160 and Firefox ESR 153.7.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-124888"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-10T14:17:22.243","score":8.8,"severity":"HIGH","desc":"Incorrect boundary conditions in the Layout: Text and Fonts component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.","product":"","seen":1794353084878},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}