Apple continues to neglect the security of its older devices.
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With iOS 12.5.4, Apple is fixing three security vulnerabilities. The serial number CVE-2021-30737 has been found in an ASN.1 decoder, which can be exploited to run malicious code on devices. CVE-2021-30761 and CVE-2021-30762 affect WebKit in a similar way: they both allow arbitrary user-side code to be run. The iOS subversion in question can be installed on iPhone 5s, 6, and 6s smartphones, iPad Air, iPad mini 2, and iPad mini 3 tablets, as well as the sixth generation iPod touch. The 12.5.4 package is the fourth iOS 12 security update this year.
