| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 45.7.0< 51.0 | 45.7.051.0 |
| thunderbird | < 45.7.0 | 45.7.0 |
URLs containing certain unicode glyphs for alternative hyphens and quotes do not properly trigger punycode display, allowing for domain name spoofing attacks in the location bar. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
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