Overview
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.
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
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2023-28204 |
| Vendor / Product | Apple — Multiple Products |
| NVD Published | 2023-06-23 |
| NVD Last Modified | 2025-10-23 |
| CVSS 3.1 Score | 6.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| Severity | MEDIUM |
| CWE | CWE-125 |
| CISA KEV Added | 2023-05-22 |
| CISA KEV Deadline | 2023-06-12 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2023-06-12.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2023-05-22 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2023-06-12 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2023-28204 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |