| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 115.12< 127.0 | 115.12127.0 |
| thunderbird | < 115.12 | 115.12 |
Offscreen Canvas did not properly track cross-origin tainting, which could be used to access image data from another site in violation of same-origin policy. This vulnerability affects Firefox < 127, Firefox ESR < 115.12, and Thunderbird < 115.12.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free