Cyber Resilience

CVE-2023-32420

Memory Safety in Apple Ipados ≤ 16.5

Published
23 June 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 7.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS Score 0.0025 16th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2023-32420 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Apple Ipados. Its CVSS base score is 7.1 (High).

Operationally, ranked at the 16th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 16.5 and iPadOS 16.5, watchOS 9.5, tvOS 16.5, macOS Ventura 13.4. An app may be able to cause unexpected system termination or read kernel memory.

CWE(s)

Related Threats

CVEs Like This One

CVE-2023-23502Same product: Apple Ipados
CVE-2023-32368Same product: Apple Ipados
CVE-2023-42865Same product: Apple Ipados
CVE-2023-32372Same product: Apple Ipados
CVE-2026-43655Same product: Apple Ipados
CVE-2023-42862Same product: Apple Ipados
CVE-2023-27929Same product: Apple Ipados
CVE-2023-32357Same product: Apple Ipados
CVE-2023-40410Same product: Apple Ipados
CVE-2023-32403Same product: Apple Ipados

Affected Assets

apple
ipados
≤ 16.5
apple
iphone os
≤ 16.5
apple
macos
13.0 — 13.4
apple
tvos
≤ 16.5
apple
watchos
≤ 9.5

Mitigating Controls

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure-development practices such as bounds checking and memory-safe languages directly prevent out-of-bounds reads.

ID.RA-01 partial match
prevents

Vulnerability scanning and recording can discover instances of out-of-bounds reads after code is deployed.

PR.PS-02 partial match
prevents

Routine patching replaces vulnerable code containing out-of-bounds read flaws.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

detects

Security testing in development and acceptance includes fuzzing and static analysis that detect out-of-bounds read defects before release.

A.8.15 Logging partial match
detects

Logging can record evidence of an out-of-bounds read but does not prevent the weakness itself.

prevents

Secure development life cycle mandates input validation and bounds checking that directly prevent out-of-bounds reads.

prevents

Application security requirements include explicit bounds and memory-safety specifications that mitigate buffer over-reads.

prevents

Secure system architecture and engineering principles require memory-safe design patterns and runtime protections against out-of-bounds access.

prevents

Secure coding standards explicitly forbid unsafe pointer arithmetic and mandate bounds-checked reads, eliminating CWE-125.

References