# CVE-2023-28204: Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability

> CVE-2023-28204: Apple Multiple Products WebKit Out-of-Bounds Read Vulnerability. CVSS 6.5 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2023-28204
Last updated: 2025-10-21T23:05:45Z

- Published: 2023-06-23 00:00 UTC · Updated: 2025-10-21 23:05 UTC · Assigner: apple
- CVSS: 6.5 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS: 14.3%, 97th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2023-05-22, federal due date 2023-06-12, ransomware use: Unknown

## Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information. Apple is aware of a report that this issue may have been actively exploited.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Apple: iOS and iPadOS
- Apple: macOS
- Apple: Safari
- Apple: tvOS
- Apple: watchOS

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2023-28204)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2023-28204)
- [https://security.gentoo.org/glsa/202401-04](https://security.gentoo.org/glsa/202401-04)
- [https://support.apple.com/en-us/HT213757](https://support.apple.com/en-us/HT213757)
- [https://support.apple.com/en-us/HT213758](https://support.apple.com/en-us/HT213758)
- [https://support.apple.com/en-us/HT213761](https://support.apple.com/en-us/HT213761)
- [https://support.apple.com/en-us/HT213762](https://support.apple.com/en-us/HT213762)
- [https://support.apple.com/en-us/HT213764](https://support.apple.com/en-us/HT213764)
- [https://support.apple.com/en-us/HT213765](https://support.apple.com/en-us/HT213765)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2023-28204 · Markdown: https://rewindex.com/cve/CVE-2023-28204.md · JSON: https://rewindex.com/api/v1/cves/CVE-2023-28204 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:07.413Z