Cyber Resilience

CVE-2023-27956

Medium

Published: 08 May 2023

Published
08 May 2023
Modified
29 January 2025
KEV Added
Patch
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score 0.0016 36.1th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-27956 is a medium-severity Classic Buffer Overflow (CWE-120) vulnerability in Apple Ipados. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 36.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, iOS 16.4 and iPadOS 16.4, iOS 15.7.4 and iPadOS 15.7.4, tvOS 16.4, watchOS 9.4. Processing a maliciously crafted image may result in disclosure of…

more

process memory.

CWE(s)

Related Threats

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

Affected Assets

apple
ipados
≤ 15.7.4 · 16.0 — 16.4
apple
iphone os
≤ 15.7.4 · 16.0 — 16.4
apple
macos
13.0 — 13.3
apple
tvos
≤ 16.4
apple
watchos
≤ 9.4

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.

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