CVE-2023-41974
Apple iOS and iPadOS Use-After-Free Vulnerability
What the flaw is
Apple iOS and iPadOS contain a use-after-free vulnerability. An app may be able to execute arbitrary code with kernel privileges.
Description as published by CISA. We have not independently reproduced it.
What CISA requires
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
This deadline is binding on US federal civilian agencies under BOD 22-01. It is not a legal deadline for anyone else, but it is a useful urgency signal — CISA sets it by how actively the flaw is being used, not by CVSS.
Public exploit code
11 public repositories referencing this CVE have been catalogued on GitHub. Treat this as a strong signal to prioritise patching, not as a verified working exploit — many such repositories are scanners, write-ups or forks rather than functional code.
- Lrdsnow/PureKFD
- Lrdsnow/PureKFD5
- Lrdsnow/PureKFDLinux
- PureKFD/PureKFD
- Spoou/1
- Spoou/123
- Spoou/Qqq
- Spoou/Qwer
Showing 8 of 11. Full list in the trickest/cve dataset.
Vendor advisories
Primary sources
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Other Apple entries
See allMultiple Products
Improper Locking
CVE-2025-43520Multiple Products
Classic Buffer Overflow
CVE-2025-31277Multiple Products
Buffer Overflow
CVE-2023-43000Multiple Products
Use-After-Free
CVE-2021-30952Multiple Products
Integer Overflow or Wraparound
CVE-2026-20700Multiple Products
Multiple Buffer Overflow
Source: CISA KEV catalog · last verified July 31, 2026. Rebuilt automatically twice a day.