CVE-2018-4282

MEDIUMNVD 5.55.5—

5.5

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2.

CVSS v3: 5.5
EG Score: 5.5(medium)
EPSS: 20.2%
KEV: Not listed

Published

April 3, 2019

Last Modified

November 21, 2024

References (6)

product-security@applehttps://support.apple.com/kb/HT208935
product-security@applehttps://support.apple.com/kb/HT208936
product-security@applehttps://support.apple.com/kb/HT208938
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208935
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208936
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT208938

Weakness Classification(1)

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

CWE-125Out-of-bounds Read

Data Freshness Timeline

(refreshed 9× in last 7d / 19× 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.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 21:07 UTCEG score recompute
2026-05-27 21:07 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 00:46 UTCOSV refresh

Frequently asked(5)

What is CVE-2018-4282?

CVE-2018-4282 is a medium vulnerability published on April 3, 2019. An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2.

When was CVE-2018-4282 disclosed?

CVE-2018-4282 was first published in the National Vulnerability Database on April 3, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-4282 actively exploited?

CVE-2018-4282 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-4282?

CVE-2018-4282 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2018-4282?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-4282, 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-2018-4282

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-4282?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)