CVE-2023-27958

CRITICALNVD 9.19.1—

9.1

The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

CVSS v3: 9.1
EG Score: 9.1(medium)
EPSS: 64.4%
KEV: Not listed

Published

May 8, 2023

Last Modified

November 4, 2025

References (7)

product-security@applehttps://support.apple.com/en-us/HT213670
product-security@applehttps://support.apple.com/en-us/HT213675
product-security@applehttps://support.apple.com/en-us/HT213677
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213670
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213675
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213677
af854a3a-2127-422b-91ae-364da2661108https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1689

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-770Allocation of Resources Without Limits or Throttling

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 01:45 UTCEG score recompute
2026-05-25 01:45 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-27958?

CVE-2023-27958 is a critical vulnerability published on May 8, 2023. The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.

When was CVE-2023-27958 disclosed?

CVE-2023-27958 was first published in the National Vulnerability Database on May 8, 2023, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-27958 actively exploited?

CVE-2023-27958 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-27958?

CVE-2023-27958 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2023-27958?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-27958, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-27958

📅 Published

🔄 Last Modified

🔗 References (7)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-27958?

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Published

Last Modified

References (7)

Frequently asked(5)

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