CVE-2019-6218

HIGHNVD 7.87.8—Weaponized

7.8

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may be able to execute arbitrary code with kernel privileges.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 91.2%
KEV: Not listed

Published

March 5, 2019

Last Modified

November 21, 2024

References (10)

product-security@applehttp://www.securityfocus.com/bid/106695
product-security@applehttps://support.apple.com/HT209443
product-security@applehttps://support.apple.com/HT209446
product-security@applehttps://support.apple.com/HT209447
product-security@applehttps://www.exploit-db.com/exploits/46297/
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106695
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT209443
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT209446
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT209447
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/46297/

Weakness Classification(1)

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

CWE-787Out-of-bounds Write

Data Freshness Timeline

(refreshed 10× 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.

2026-06-05 22:45 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 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
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2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 22:08 UTCEG score recompute
2026-05-27 22:08 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-46297✓ verified
First seen Jan 31, 2019
macOS < 10.14.3 / iOS < 12.1.3 - Arbitrary mach Port Name Deallocation in XPC Services due to Invalid mach Message Parsing in _xpc_serializer_unpack
Open source ↗

Frequently asked(5)

What is CVE-2019-6218?

CVE-2019-6218 is a high vulnerability published on March 5, 2019. A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2. A malicious application may be able to execute arbitrary code with kernel privileges.

When was CVE-2019-6218 disclosed?

CVE-2019-6218 was first published in the National Vulnerability Database on March 5, 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-2019-6218 actively exploited?

CVE-2019-6218 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-6218?

CVE-2019-6218 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2019-6218?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-6218, 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-2019-6218

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-6218?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (10)

Frequently asked(5)

Related CVEs(same CWE)