CVE-2019-12383

MEDIUM
4.3
CVSS Score
Published: May 28, 2019 at 02:21 AM UTC
Updated: June 17, 2026 at 02:14 AM UTC
1 product affected across 1 vendorTor Browser

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Severity
MEDIUM4.3
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 8.0.1
Affected range stops below 8.0.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
http://www.securityfocus.com/bid/108484
x_refsource_MISCIssue TrackingThird Party Advisory
https://hackerone.com/reports/282748

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-203

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