Executive brief
A sandbox escape vulnerability in Apple's WebKit engine allows a remote attacker to break out of the Web Content sandbox. The issue, caused by insufficient bounds checks, has been reported as being actively exploited in the wild.
Affected products
- Apple WebKit
- Apple Safari before 16.5
- Apple iOS and iPadOS before 15.7.8, before 16.5
- Apple macOS Ventura before 13.4
- Apple tvOS before 16.5
- Apple watchOS before 9.5
Timeline
- 2023-05-22: disclosed
- 2023-05-22: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2023-05-22: patched: Fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.8, iPadOS 15.7.8, Safari 16.5, iOS 16.5, and iPadOS 16.5.
- 2023-05-22: exploited: Apple is aware of reports of active exploitation.