CVE-2017-7763

5.3 MEDIUM
Published: June 11, 2018 Modified: November 25, 2025
View on NVD

Description

Default fonts on OS X display some Tibetan characters as whitespace. When used in the addressbar as part of an IDN this can be used for domain name spoofing attacks. Note: This attack only affects OS X operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/99057
Source: security@mozilla.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038689
Source: security@mozilla.org
Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1360309
Source: security@mozilla.org
Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-15/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-16/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-17/
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/99057
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1038689
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1360309
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-15/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-16/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-17/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

12 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.5%
66th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

mozilla debian apple

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