| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 45.5.0< 50.0 | 45.5.050.0 |
| thunderbird | < 45.5.0 | 45.5.0 |
An existing mitigation of timing side-channel attacks is insufficient in some circumstances. This issue is addressed in Network Security Services (NSS) 3.26.1. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.
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