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CVE-2023-27934

Apple macOS buffer overflow

8.8 HIGHEPSS 1.79%
  1. Published8 May 2023

Description

A memory initialization issue was addressed. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4. A remote attacker may be able to cause unexpected app termination or arbitrary code execution.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Apple macOS< 13.3

Remediation

Fixed in
Apple macOS≥ 13.3

References

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Frequently asked

Is CVE-2023-27934 being actively exploited?

CVE-2023-27934 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.79%.

How severe is CVE-2023-27934?

CVE-2023-27934 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 1.79% probability of exploitation.

Which products are affected by CVE-2023-27934?

Affected products include Apple macOS.

How do I fix CVE-2023-27934?

Upgrade affected software to a fixed version, for example Apple macOS 13.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-27934 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.