Apple iOS, iPadOS, and watchOS contain an unspecified vulnerability due to a validation issue affecting Wallet in which a maliciously crafted attachment may result in code execution. This vulnerability was chained with CVE-2023-41064.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
https://support.apple.com/en-us/HT213905, https://support.apple.com/kb/HT213907