The company said that since exploiting many of these issues requires a malicious app to be loaded onto the Mac or iOS device, people are being asked to only download software from trusted sources such as the App Store.
The security vulnerabilities apply to all modern computer processors and affect almost all computers and smartphones, leaving tech companies scrambling to find a fix. Apple Watch is not affected by Meltdown.
BBC reports that Apple said it had already released some patches but there was no evidence of the vulnerability being exploited.it had already released "mitigations" against Meltdown in its latest iPhones and iPad operating system update - iOS 11.2 and the macOS 10.12.2 for its MacBooks and iMacs. In the coming days we plan to release mitigations in Safari to help defend against Spectre.
The company has also issued updates on iOS, MacOS, tvOS to protect customers against these flaws.
Companies scrambled yesterday (Jan. 3) to release patches for Windows and Android devices, with speculation mounting that the flaws, which apply to most modern processors, impacted Apple's devices, too. We continue to develop and test further mitigations within the operating system for the Spectre techniques, and will release them in upcoming updates of iOS, macOS, tvOS, and watchOS.
Cloud administrations possessed by Amazon, Microsoft, and Google itself have additionally been utilizing Project Zero's examination to make and issue patches for their servers, while numerous other littler cloud suppliers who had not been beforehand told about the defect are now scrambling to fix their machines. In addition, many operating system vendors, public cloud service providers, device manufacturers and others have indicated that they have already updated their products and services.
"Both the "Spectre" and "Meltdown" flaws affect the performance of CPU feature called Speculative Execution" which is responsible for improving speed and operate multiple operations.
The bigger immediate threat from Spectre, Apple said, is in the Safari browser.
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