MozillaFirefox was updated to 45.4.0 ESR to fix the following issues : The following security issue were fixed: * MFSA 2016-86/CVE-2016-5270: Heap-buffer-overflow in nsCaseTransformTextRunFactory::TransformString * MFSA 2016-86/CVE-2016-5272: Bad cast in nsImageGeometryMixin * MFSA 2016-86/CVE-2016-5276: Heap-use-after-free in mozilla::a11y::DocAccessible::ProcessInvalidationList * MFSA 2016-86/CVE-2016-5274: use-after-free in nsFrameManager::CaptureFrameState * MFSA 2016-86/CVE-2016-5277: Heap-use-after-free in nsRefreshDriver::Tick * MFSA 2016-86/CVE-2016-5278: Heap-buffer-overflow in nsBMPEncoder::AddImageFrame * MFSA 2016-86/CVE-2016-5280: Use-after-free in mozilla::nsTextNodeDirectionalityMap::RemoveElementFromMap * MFSA 2016-86/CVE-2016-5281: use-after-free in DOMSVGLength * MFSA 2016-86/CVE-2016-5284: Add-on update site certificate pin expiration * MFSA 2016-86/CVE-2016-5250: Resource Timing API is storing resources sent by the previous page * MFSA 2016-86/CVE-2016-5261: Integer overflow and memory corruption in WebSocketChannel * MFSA 2016-86/CVE-2016-5257: Various memory safety bugs fixed in Firefox 49 and Firefox ESR 45.4