Apple has released security updates to backport fixes for a recently patched WebKit zero-day vulnerability to older iPhone and iPad models.
Tracked as CVE-2023-23529, the bug is a type confusion issue in the WebKit browser engine that can be used by a remote attacker to achieve remote code execution by tricking a victim into visiting a specially crafted website. This type confusion issue was addressed with improved checks.
The update is available for: iOS 15.7.4 and iPadOS 15.7.4 for iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Air 2, iPad mini (4th generation), and iPod touch (7th generation).
The iPhone maker did not share any additional details regarding attacks exploiting this flaw.
In January, Apple issued security updates for macOS, iOS, iPadOS, and WatchOS, to address a zero-day vulnerability in WebKit impacting older devices running iOS v12.
Tracked as CVE-2022-42856, the zero-day is type confusion issue that allows a remote attacker to achieve remote code execution by tricking the victim into visiting a malicious website.