Cyber Resilience

CVE-2023-32423

Medium

Published: 23 June 2023

Published
23 June 2023
Modified
20 March 2025
KEV Added
—
Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score 0.0024 47.2th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-32423 is a medium-severity Classic Buffer Overflow (CWE-120) vulnerability in Apple Safari. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 47.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing web content may disclose sensitive information.

CWE(s)
CWE-120

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apple
safari
≤ 16.5
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

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References