Not rated
CVE-2019-9801 Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application…
Description
Firefox will accept any registered Program ID as an external protocol handler and offer to launch this local application when given a matching URL on Windows operating systems. This should only happen if the program has specifically registered itself as a "URL Handler" in the Windows registry. *Note: This issue only affects Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Thunderbird 60.6 | earliest → < 60.6 | 60.6 |
| Firefox ESR 60.6 | earliest → < 60.6 | 60.6 |
| Firefox 66 | earliest → < 66 | 66 |
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