CVE-2023-42839

MEDIUMNVD 5.55.5—

5.5

This issue was addressed with improved state management. This issue is fixed in tvOS 17.1, watchOS 10.1, macOS Sonoma 14.1, iOS 17.1 and iPadOS 17.1. An app may be able to access sensitive user data.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 6.5%
KEV: Not listed

Published

February 21, 2024

Last Modified

November 4, 2025

References (11)

product-security@applehttps://support.apple.com/en-us/HT213982
product-security@applehttps://support.apple.com/en-us/HT213984
product-security@applehttps://support.apple.com/en-us/HT213987
product-security@applehttps://support.apple.com/en-us/HT213988
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213982
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213984
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213987
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT213988
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213982
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213984
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213988

Weakness Classification(1)

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

CWE-922

Data Freshness Timeline

(refreshed 12× 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
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 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
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 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 07:18 UTCepss_batch
2026-05-24 08:10 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-42839?

CVE-2023-42839 is a medium vulnerability published on February 21, 2024. This issue was addressed with improved state management. This issue is fixed in tvOS 17.1, watchOS 10.1, macOS Sonoma 14.1, iOS 17.1 and iPadOS 17.1. An app may be able to access sensitive user data.

When was CVE-2023-42839 disclosed?

CVE-2023-42839 was first published in the National Vulnerability Database on February 21, 2024, 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-2023-42839 actively exploited?

CVE-2023-42839 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-42839?

CVE-2023-42839 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2023-42839?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-42839, 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-2023-42839

📅 Published

🔄 Last Modified

🔗 References (11)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-42839?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (11)

Frequently asked(5)

Related CVEs(same CWE)