| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 45.8.0< 52.0 | 45.8.052.0 |
| thunderbird | < 45.8.0< 52.0 | 45.8.052.0 |
Using SVG filters that don't use the fixed point math implementation on a target iframe, a malicious page can extract pixel values from a targeted user. This can be used to extract history information and read text values across domains. This violates same-origin policy and leads to information disclosure. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
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