About the security content of Safari 16.3

This document describes the security content of Safari 16.3.

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Safari 16.3

Released January 23, 2023

WebKit

Available for: macOS Big Sur and macOS Monterey

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: The issue was addressed with improved checks.

WebKit Bugzilla: 245464

CVE-2023-23496: ChengGang Wu, Yan Kang, YuHao Hu, Yue Sun, Jiming Wang, JiKai Ren and Hang Shu of Institute of Computing Technology, Chinese Academy of Sciences

WebKit

Available for: macOS Big Sur and macOS Monterey

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: The issue was addressed with improved memory handling.

WebKit Bugzilla: 248268

CVE-2023-23518: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree_segment), SeOk JEON (@_seokjeon), YoungSung Ahn (@_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE

WebKit Bugzilla: 248268

CVE-2023-23517: YeongHyeon Choi (@hyeon101010), Hyeon Park (@tree_segment), SeOk JEON (@_seokjeon), YoungSung Ahn (@_ZeroSung), JunSeo Bae (@snakebjs0107), Dohyun Lee (@l33d0hyun) of Team ApplePIE

Additional recognition

WebKit

We would like to acknowledge Eliya Stein of Confiant for their assistance.

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