Home/CVE/Apple Multiple Products Type Confusion Vulnerability
CVE

CVE-2019-8506

Apple Multiple Products Type Confusion Vulnerability

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.08021
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
▤

Affected Products & Versions

9
apple icloud< 7.11
apple itunes< 12.9.4
apple safari< 12.1
apple iphone os< 12.2
apple tvos< 12.2
apple watchos< 5.2
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
⚠

Public Exploits & PoCs

1
dosWebKit JavaScriptCore - 'createRegExpMatchesArray' Type Confusionverified
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Dec 2019 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

7
cisaKEV-CVE-2019-8506
rhsaRHSA-2020:4035Moderate
rhsaRHSA-2019:3553Moderate
suse-csafopenSUSE-SU-2019:1374-1
suse-csafSUSE-SU-2019:1155-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/HT209599Release NotesVendor Advisory
https://support.apple.com/HT209601Release NotesVendor Advisory
https://support.apple.com/HT209602Release NotesVendor Advisory
https://support.apple.com/HT209603Release NotesVendor Advisory
https://support.apple.com/HT209604Release NotesVendor Advisory
https://support.apple.com/HT209605Release NotesVendor Advisory
Intelligence Graph · click any node to traverse
CVETechnique ActorTool Family
drag to reposition · click any node to traverse · button top-right enlarges
External lookups - second-class, for what we don’t hold ourselves
NVDCVE.orgCISAVulnersExploit-DBGitHub PoCVulnCheck KEVGreyNoise
Vulnerabilities
CISA KEV catalog
CWE weaknesses
CAPEC attack patterns
Package vulnerabilities
Threat intelligence
Threat actors
Tools & malware
ATT&CK techniques
IOCs
Detection & defense
Sigma rules
YARA rules
Atomic Red Team tests
D3FEND countermeasures
Compliance
NIST 800-53
ISO 27001:2022
SOC 2 TSC
PCI-DSS v4.0
CIS Controls v8.1
About
All capabilities
Live statistics
Data sources
Privacy policy
Terms of service
threatengine.sh  ·  Open-source threat intelligence platform  ·  100+ authoritative sources  ·  Every fact traces to its origin