{"schema":"threatline.record/2","record":{"id":"CVE-2025-6554","aliases":[],"summary":"Google Chromium V8 Type Confusion Vulnerability","details":"Google Chromium V8 contains a type confusion vulnerability that could allow a remote attacker to perform arbitrary read/write via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.","categories":["Applications & CMS"],"product":"Chromium V8","vendor":"Google","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-6554","source_modified_at":"2025-10-21T22:45:23.208Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Chrome","vendor":"Google","versions":[{"version":"138.0.7204.96","status":"affected","lessThan":"138.0.7204.96","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-6554","source_modified_at":"2025-10-21T22:45:23.208Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Chrome","ecosystem":null},"version":"138.0.7204.96","basis":"first unaffected version stated in the CVE record"}],"cvss":8.1,"severity":"High","kev":{"listed":true,"date_added":"2025-07-02","due_date":"2025-07-23","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.14142,"percentile":0.96573,"score_date":"2026-10-23"},"published_at":"2025-06-30T21:14:14.799Z","modified_at":"2025-10-21T22:45:23.208Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2025-6554","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T22:45:23.208Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2025-6554","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.html?m=1","source":"CISA KEV"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-6554","source":"CISA KEV"},{"source":"CVE List","url":"https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_30.html"},{"source":"CVE List","url":"https://issues.chromium.org/issues/427663123"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-6554","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-07-17T03:55:36.423228Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T22:45:23.208Z","content_hash":"f142a14a3741389102e05547ec549ae018aa35c2fb665ad47ec9a35ce4d093bc"}}