CVE-2019-12383

MediumCVSS 4.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-203

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.securityfocus.com/bid/108484Broken Link, Third Party Advisory, VDB Entry
https://gitweb.torproject.org/tor-browser.git/commit/?id=cbb04b72c68272c2de42f157d40cd7d29a6b7b55Mailing List, Patch, Third Party Advisory
https://hackerone.com/reports/282748Issue Tracking, Third Party Advisory
https://trac.torproject.org/projects/tor/ticket/24056Vendor Advisory
http://www.securityfocus.com/bid/108484Broken Link, Third Party Advisory, VDB Entry
https://gitweb.torproject.org/tor-browser.git/commit/?id=cbb04b72c68272c2de42f157d40cd7d29a6b7b55Mailing List, Patch, Third Party Advisory
https://hackerone.com/reports/282748Issue Tracking, Third Party Advisory
https://trac.torproject.org/projects/tor/ticket/24056Vendor Advisory

Timeline

Published: May 28, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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