| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 86.0 | 86.0 |
| firefox esr | < 78.8 | 78.8 |
| thunderbird | < 78.8 | 78.8 |
If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
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