An issue was discovered in certain Apple products. iOS before 11.4 is affected. iOS before 11.3.1 is affected. Safari before 11.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a crafted web site.
CVE-2018-4204
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 86.8%
- KEV
- Not listed
Published
June 8, 2018
Last Modified
November 21, 2024
References (18)
- product-security@applehttp://www.securityfocus.com/bid/103961
- product-security@applehttp://www.securitytracker.com/id/1040743
- product-security@applehttps://security.gentoo.org/glsa/201808-04
- product-security@applehttps://support.apple.com/HT208741
- product-security@applehttps://support.apple.com/HT208743
- product-security@applehttps://support.apple.com/HT208848
- product-security@applehttps://support.apple.com/HT208850
- product-security@applehttps://support.apple.com/HT208852
- product-security@applehttps://support.apple.com/HT208853
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/103961
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1040743
- af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201808-04
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT208741
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT208743
- af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/HT208848
Vendor Advisories for CVE-2018-4204(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | zenity-0:3.28.1-1.el7 | 2018-10-30 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 13× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-07-04 06:56 UTCOSV refresh
- 2026-07-04 06:28 UTCEPSS rescore
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- 2026-06-23 21:30 UTCEPSS rescore
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- 2026-06-22 14:23 UTCEPSS rescore
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- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 18:39 UTCOSV refresh
- 2026-06-15 17:45 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
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- 2026-06-11 13:57 UTCEPSS rescore
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- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 07:04 UTCEG score recompute
- 2026-05-28 07:04 UTCVendor advisory
- 2026-05-28 07:04 UTCGHSA enrichment
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2018-4204?
When was CVE-2018-4204 disclosed?
Is CVE-2018-4204 actively exploited?
What is the CVSS score of CVE-2018-4204?
How do I remediate CVE-2018-4204?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2018-4204
Is Your Infrastructure Affected by CVE-2018-4204?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.