| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 80.0 | 80.0 |
| firefox mobile | < 80.0 | 80.0 |
When trying to load a non-video in an audio/video context the exact status code (200, 302, 404, 500, 412, 403, etc.) was disclosed via the MediaError Message. This level of information leakage is inconsistent with the standardized onerror/onsuccess disclosure and can lead to inferring login status to services or device discovery on a local network among other attacks. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
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