CVE-2024-27815
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5,...
- Published
- Jun 10, 2024
- Updated
- Apr 2, 2026
- Assigning CNA
- apple
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HLow · next 30 days
- Percentile
- 80.1%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, tvOS 17.5, visionOS 1.2, watchOS 10.5. An app may be able to execute arbitrary code with kernel privileges.
Sources
2macOS/ XNU kernel buffer overflow. Introduced in macOS 14.0 (xnu-10002.1.13), fixed in macOS 14.5 (xnu-10063.121.3)
Proof-of-concept trigger for CVE-2024-27815, an XNU kernel heap buffer overflow in sbconcat_mbufs() reachable via AF_UNIX datagram sockets, causing local denial of service.
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