CVE-2019-6224

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
8.8EG
EchelonGraph verdictMitigate this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Exploit-DB (verified), epss top5pct, public exploit)
CISA-KEV: Not listedEPSS PROB: 9.0%CVSS: 8.8Exploit: Exploit-DB (verified) · epss top5pct · public exploitExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A remote attacker may be able to initiate a FaceTime call causing arbitrary code execution.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
70
EG Risk 70/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation65% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
9.0%
EPSS %ILE
95th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

March 5, 2019

Last Modified

November 21, 2024

Advisory Details (5)

Auto-updated Aug 17, 2026
🔬 Proof of concept available. No fix on record yet.
generic

About the security content of tvOS 12.1.2 - Apple Support

https://support.apple.com/HT209447
generic

About the security content of macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra - Apple Support

https://support.apple.com/HT209446
generic

About the security content of iOS 12.1.3 - Apple Support

https://support.apple.com/HT209443
generic🟡 PoC Available

FaceTime - Texture Processing Memory Corruption - macOS dos Exploit

https://www.exploit-db.com/exploits/46433/
generic

About the security content of watchOS 5.1.3 - Apple Support

https://support.apple.com/HT209448

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 24× 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 137 total refreshes for this CVE.

  1. 2026-10-05 17:39 UTCEPSS rescore
  2. 2026-10-04 23:18 UTCEPSS rescore
  3. 2026-10-03 14:22 UTCEPSS rescore
  4. 2026-09-30 14:59 UTCEPSS rescore
  5. 2026-09-30 10:26 UTCEG score recompute
  6. 2026-09-28 13:46 UTCEPSS rescore
  7. 2026-09-27 13:40 UTCEPSS rescore
  8. 2026-09-26 15:54 UTCEPSS rescore
  9. 2026-09-26 00:20 UTCEPSS rescore
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  11. 2026-09-22 14:43 UTCEPSS rescore
  12. 2026-09-21 20:28 UTCEPSS rescore
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  1. 2026-09-04 13:56 UTCEPSS rescore
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  3. 2026-09-01 03:32 UTCEPSS rescore
  4. 2026-08-30 01:18 UTCEPSS rescore
  5. 2026-08-27 14:21 UTCEPSS rescore
  6. 2026-08-26 14:42 UTCEPSS rescore
  7. 2026-08-25 13:45 UTCEPSS rescore
  8. 2026-08-19 17:00 UTCEPSS rescore
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  11. 2026-08-15 01:26 UTCEPSS rescore
  12. 2026-08-13 21:57 UTCEPSS rescore
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  23. 2026-07-30 16:24 UTCEPSS rescore
  24. 2026-07-30 01:27 UTCEPSS rescore
  25. 2026-07-28 15:32 UTCEPSS rescore
  26. 2026-07-26 14:51 UTCEPSS rescore
  27. 2026-07-25 14:14 UTCEPSS rescore
  28. 2026-07-24 14:14 UTCEPSS rescore
  29. 2026-07-23 14:15 UTCEPSS rescore
  30. 2026-07-23 01:46 UTCEG score recompute
  31. 2026-07-22 22:28 UTCEG score recompute
  32. 2026-07-22 14:05 UTCEPSS rescore
  33. 2026-07-21 15:22 UTCEPSS rescore
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  35. 2026-07-20 17:04 UTCEPSS rescore
  36. 2026-07-19 14:28 UTCEPSS rescore
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  40. 2026-07-18 10:02 UTCEPSS rescore
  41. 2026-07-16 16:59 UTCEPSS rescore
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  43. 2026-07-15 16:55 UTCEPSS rescore
  44. 2026-07-15 01:57 UTCEPSS rescore
  45. 2026-07-13 22:27 UTCEPSS rescore
  46. 2026-07-13 22:27 UTCEPSS rescore
  47. 2026-07-12 05:44 UTCEPSS rescore
  48. 2026-07-12 05:43 UTCEPSS rescore
  49. 2026-07-11 08:24 UTCEPSS rescore
  50. 2026-07-11 08:24 UTCEPSS rescore
  51. 2026-07-09 19:06 UTCEPSS rescore
  52. 2026-07-08 15:11 UTCEPSS rescore
  53. 2026-07-07 13:43 UTCEPSS rescore
  54. 2026-07-06 16:25 UTCEPSS rescore
  55. 2026-07-06 16:25 UTCEPSS rescore
  56. 2026-07-05 02:27 UTCEPSS rescore
  57. 2026-07-04 06:28 UTCEPSS rescore
  58. 2026-07-01 15:03 UTCEPSS rescore
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  60. 2026-06-30 23:20 UTCEPSS rescore
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  62. 2026-06-28 04:54 UTCEPSS rescore
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  64. 2026-06-27 03:06 UTCEPSS rescore
  65. 2026-06-25 13:47 UTCEPSS rescore
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  67. 2026-06-24 14:03 UTCEPSS rescore
  68. 2026-06-24 14:03 UTCEPSS rescore
  69. 2026-06-23 21:31 UTCEPSS rescore
  70. 2026-06-23 21:31 UTCEPSS rescore
  71. 2026-06-22 14:23 UTCEPSS rescore
  72. 2026-06-22 14:23 UTCEPSS rescore
  73. 2026-06-21 14:54 UTCEPSS rescore
  74. 2026-06-21 14:54 UTCEPSS rescore
  75. 2026-06-19 19:23 UTCEPSS rescore

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-46433✓ verified
    First seen Feb 20, 2019

    FaceTime - Texture Processing Memory Corruption

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2019-6224?
CVE-2019-6224 is a high vulnerability published on March 5, 2019. A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3. A remote attacker may be able to initiate a FaceTime call causing arbitrary code execution.
When was CVE-2019-6224 disclosed?
CVE-2019-6224 was first published 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-2019-6224 actively exploited?
CVE-2019-6224 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 9.0% probability of exploitation in the next 30 days (95th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2019-6224?
CVE-2019-6224 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2019-6224?
No fix for CVE-2019-6224 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

Dependency Blast Radius

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