| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 52.7.0< 59.0 | 52.7.059.0 |
Under certain circumstances the "fetch()" API can return transient local copies of resources that were sent with a "no-store" or "no-cache" cache header instead of downloading a copy from the network as it should. This can result in previously stored, locally cached data of a website being accessible to users if they share a common profile while browsing. This vulnerability affects Firefox ESR < 52.7 and Firefox < 59.
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