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CVE-2020-26966 Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for…
Description
Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 83 | earliest → < 83 | 83 |
| Firefox ESR 78.5 | earliest → < 78.5 | 78.5 |
| Thunderbird 78.5 | earliest → < 78.5 | 78.5 |