CVE-2017-7763

Summary

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.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxunspecified < 54affected
MozillaFirefox ESRunspecified < 52.2affected
MozillaThunderbirdunspecified < 52.2affected

Weaknesses

  • Mac fonts render some unicode characters as spaces

ADP Enrichment

CVE Program Container

Additional References

References