{"id":"EM-20261030-U3HN","url":"https://cyber.eventmonitor.net/incident/EM-20261030-U3HN/","type":"cve","title":"Crass Vulnerability (CVE-2026-61845)","subtitle":"CVE-2026-61845","subject":"CVE-2026-61845","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-10-30T19:18:28.197Z","firstSignal":"2026-10-30T18:41:58.000Z","lastSignal":"2026-10-30T19:18:28.197Z","updated":"2026-11-04T14:43:58.877Z","revision":1,"life":[{"status":"Born","at":"2026-10-30T19:18:28.197Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-10-30T19:18:28.197Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-10-30T18:41:58.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-10-30T19:18:28.197Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261030-U3HN created."}],"stages":[{"name":"Disclosed","at":"2026-10-30T19:18:28.197Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-10-30T19:18:28.197Z","detail":"CVSS 8.9 · EPSS 0.4%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-10-30T18:41:58.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-10-30T18:41:58.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-61845 (important)","text":"crass: crass: Denial of Service via crafted scientific notation in CSS","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-61845.json"},{"at":"2026-10-30T19:18:28.197Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-61845 (CVSS 8.9)","text":"Crass is a Ruby CSS parser that's fully compliant with the CSS Syntax Level 3 specification. Prior to 1.0.7, Crass converts `CSS scientific notation` number values with unbounded exponentiation before clamping the result to `Float::MAX`. Applications that use Crass to parse attacker-controlled CSS strings can be forced to spend disproportionate CPU and memory parsing a tiny input, potentially resulting in a crash. This issue is fixed in version 1.0.7.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-61845"}],"crowd":[],"reference":{"nvd":{"published":"2026-10-30T19:18:28.197","score":8.9,"severity":"HIGH","desc":"Crass is a Ruby CSS parser that's fully compliant with the CSS Syntax Level 3 specification. Prior to 1.0.7, Crass converts `CSS scientific notation` number values with unbounded exponentiation before clamping the result to `Float::MAX`. Applications that use Crass to parse attacker-controlled CSS s","product":"","seen":1793803438877},"kev":null,"epss":{"epss":0.00386,"pct":0.32888,"at":1793803438877},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}