{"cve":"CVE-2019-12383","nvd":{"published":"2019-05-28T03:29:00.513","modified":"2026-06-17T02:14:31.950","status":"Modified","description":"Tor Browser before 8.0.1 has an information exposure vulnerability. It allows remote attackers to detect the browser's UI locale by measuring a button width, even if the user has a \"Don't send my language\" setting.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-203"],"references":["http://www.securityfocus.com/bid/108484","https://gitweb.torproject.org/tor-browser.git/commit/?id=cbb04b72c68272c2de42f157d40cd7d29a6b7b55","https://hackerone.com/reports/282748","https://trac.torproject.org/projects/tor/ticket/24056","http://www.securityfocus.com/bid/108484"],"products":["torproject:tor_browser"],"source":"nvd","synced_at":"2026-10-19T20:57:00.690689396+00:00"},"epss":{"cve":"CVE-2019-12383","score":0.02164,"percentile":0.8224,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}