| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 52.2.0< 54.0 | 52.2.054.0 |
| thunderbird | < 52.2.0 | 52.2.0 |
An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free