CVE-2019-8584

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 1.8%, top 24% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 8.8Exploit: NoneExposed: 0

A fix is available — apply it.

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
—
EPSS
76.1%
KEV
Not listed

Published

December 18, 2019

Last Modified

November 21, 2024

References (14)

Vendor Advisories for CVE-2019-8584(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(2)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatwebkitgtk4-0:2.28.2-2.el72020-09-29redhat
redhatwebkit2gtk3-0:2.24.3-1.el82019-11-05redhat

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(2)

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.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-22 22:29 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
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  6. 2026-07-19 23:48 UTCOSV refresh
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  1. 2026-07-07 13:43 UTCEPSS rescore
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  8. 2026-07-02 14:30 UTCOSV refresh
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  38. 2026-06-14 12:43 UTCOSV refresh
  39. 2026-06-13 22:58 UTCEPSS rescore
  40. 2026-06-12 23:09 UTCEPSS rescore
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  42. 2026-06-11 13:58 UTCEPSS rescore
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  45. 2026-06-10 13:19 UTCEPSS rescore
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  70. 2026-05-27 10:16 UTCEG score recompute
  71. 2026-05-27 10:16 UTCVendor advisory
  72. 2026-05-27 10:16 UTCGHSA enrichment
  73. 2026-05-26 13:42 UTCEPSS rescore
  74. 2026-05-26 07:17 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2019-8584?
CVE-2019-8584 is a high vulnerability published on December 18, 2019. Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution.
When was CVE-2019-8584 disclosed?
CVE-2019-8584 was first published in the National Vulnerability Database on December 18, 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-2019-8584 actively exploited?
CVE-2019-8584 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2019-8584?
CVE-2019-8584 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2019-8584?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-8584, 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.

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