Apple on Wednesday backported fixes for a security flaw in iOS, iPadOS, and macOS Sonoma to older versions after it was found to be used as part of the Coruna exploit kit.
The vulnerability, tracked as CVE-2023-43010, relates to an unspecified vulnerability in WebKit that could result in memory corruption when processing maliciously crafted web content.
The iPhone maker said the issue was addressed with improved handling.
"This fix associated with the Coruna exploit kit was shipped in iOS 17.2 on December 11th, 2023," Apple said in an advisory.
"This update brings that fix to devices that cannot update to the latest iOS version."
Fixes for CVE-2023-43010 were originally released by Apple in the following versions -
The latest round of fixes brings it to older versions of iOS and iPadOS -
What's more, iOS 15.8.7 and iPadOS 15.8.7 incorporate patches for three more vulnerabilities associated with the Coruna exploit kit -
Details of Coruna emerged earlier this month after Google said the exploit kit features 23 exploits across five chains designed to target iPhone models running iOS versions between 13.0 and 17.2.1.