CVE Watch—

CVE-2023-28204

Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability

CVSS

—

No CVSS

EPSS

14.3%

p96

KEV

YES

May 22, 2023

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

14.3%EPSS · 30 days14.4%

2026-06-302026-07-16

KEV catalog record

Product

Apple / Multiple Products

Vulnerability

Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability

Added to KEV

May 22, 2023

Remediate by

Jun 12, 2023

Known ransomware use

Summary description

Apple iOS, iPadOS, macOS, tvOS, watchOS, and Safari WebKit contain an out-of-bounds read vulnerability that may disclose sensitive information when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Required action

Apply updates per vendor instructions.

Notes

https://support.apple.com/HT213757, https://support.apple.com/HT213758, https://support.apple.com/HT213761, https://support.apple.com/HT213762, https://support.apple.com/HT213764, https://support.apple.com/HT213765; https://nvd.nist.gov/vuln/detail/CVE-2023-28204

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