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.

Affected

Apple · macOS · iOS and iPadOS · Safari

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

4.04% chance of exploitation in the next 30 days, 91st percentile

CISA KEV

added 2026-03-05

Published

2025-11-05

Updated

2026-09-21

Proof-of-concept exploits (1)

• https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit

Security advisories

• https://support.apple.com/en-us/120324
• https://support.apple.com/en-us/120331
• https://support.apple.com/en-us/120338
• https://support.apple.com/en-us/126632

References

• CVE Record
• NVD entry