Cyber Resilience

CVE-2023-27957

High

Published: 08 May 2023

Published
08 May 2023
Modified
29 January 2025
KEV Added
—
Patch
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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0013 33.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-27957 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Apple Macos. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 33.0th 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 macOS Ventura 13.3. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

CWE(s)
CWE-120

Related Threats

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

Affected Assets

apple
macos
13.0 — 13.3

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