# CVE-2023-43000

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.

- Page: https://www.vulneraibility.com/cve/CVE-2023-43000
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2026-03-05; CISA due date 2026-03-26
- EPSS: 4.04%
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2026-03-06)
- Weakness: CWE-416
- Published: 2025-11-05

## Affected versions

- Apple iOS and iPadOS: affected < 16.6; < 15.8.7
- Apple macOS: affected < 13.5
- Apple Safari: affected < 16.6

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://support.apple.com/en-us/120331
- [other] https://support.apple.com/en-us/120338
- [other] https://support.apple.com/en-us/120324
- [other] https://support.apple.com/en-us/126632
- [advisory] https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-43000

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.