# CVE-2023-43000: Apple Multiple products Use-After-Free Vulnerability

> CVE-2023-43000: Apple Multiple products Use-After-Free Vulnerability. CVSS 8.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2023-43000
Last updated: 2026-09-21T19:03:00Z

- Published: 2025-11-05 18:33 UTC · Updated: 2026-09-21 19:03 UTC · Assigner: apple
- CVSS: 8.8 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS: 4.0%, 91th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-03-05, federal due date 2026-03-26, ransomware use: Unknown

## Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

## CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

## Affected vendors and products

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

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2023-43000)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2023-43000)
- [https://support.apple.com/en-us/120324](https://support.apple.com/en-us/120324)
- [https://support.apple.com/en-us/120331](https://support.apple.com/en-us/120331)
- [https://support.apple.com/en-us/120338](https://support.apple.com/en-us/120338)
- [https://support.apple.com/en-us/126632](https://support.apple.com/en-us/126632)

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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-2023-43000 · Markdown: https://rewindex.com/cve/CVE-2023-43000.md · JSON: https://rewindex.com/api/v1/cves/CVE-2023-43000 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:16:25.783Z