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CVE-2021-38492 When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to…
Description
When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 92 | earliest → < 92 | 92 |
| Thunderbird 91.1 | earliest → < 91.1 | 91.1 |
| Thunderbird 78.14 | earliest → < 78.14 | 78.14 |
| Firefox ESR 91.1 | earliest → < 91.1 | 91.1 |
| Firefox ESR 78.14 | earliest → < 78.14 | 78.14 |
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