Update 10:45 a.m. EDT: This article, originally published at 03:47 a.m. EDT has been updated to include confirmation from Signal and expert commentary about the issue fixed in iOS 26.4.2 and iOS 18.7.8.
Apple has released iOS 26.4.2 and iOS 18.7.8, along with a warning to update your iPhone now. That’s because iOS 26.4 and iOS 18.7.8 fix a single security vulnerability in the iPhone software, which could be pretty serious.
Apple doesn’t provide much detail about what’s fixed in iOS 26.4.2 and iOS 18.7.8, to allow as many users to upgrade before attackers can get hold of the details. But it does reveal that iOS 26.4 and iOS 18.7.8 fix the same flaw, in Notification Services, where notifications marked for deletion could be unexpectedly retained on the device, according to Apple’s support page.
Source:
Diem ‘Richard’ Nguyen
Liên Minh Bảo Hiến Mỹ Gốc Việt
Vietnamese American Conservative Alliance (VACA)
https://freedom-vaca.org/vaca-blog-tieng-viet-nam/