| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | ≤ 40.0.3 |
The TCP Socket API implementation in Mozilla Firefox before 41.0 mishandles array boundaries that were established with a navigator.mozTCPSocket.open method call and send method calls, which allows remote TCP servers to obtain sensitive information from process memory by reading packet data, as demonstrated by availability of this API in a Firefox OS application.
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