Home/CVE/Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS M
CVE

CVE-2019-8622

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS M

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, watchOS 5.2.1, 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.

HIGH · CVSS 8.8 EPSS 0.27687
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 3% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

7
apple icloud< 7.12
apple itunes< 12.9.5
apple safari< 12.1.1
apple iphone os< 12.3
apple mac os x< 10.14.5
apple tvos< 12.3
apple watchos< 5.2.1
⚠

Public Exploits & PoCs

1
dosApple macOS < 10.14.5 / iOS < 12.3 DFG JIT Compiler - 'HasIndexedProperty' Use-After-Freeverified
▣

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
⚑

Vendor Advisories

4
rhsaRHSA-2020:4035Moderate
rhsaRHSA-2019:3553Moderate
suse-csafopenSUSE-SU-2019:1766-1
suse-csafSUSE-SU-2019:1850-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/HT210118Vendor Advisory
https://support.apple.com/HT210119Vendor Advisory
https://support.apple.com/HT210120Vendor Advisory
https://support.apple.com/HT210122Vendor Advisory
https://support.apple.com/HT210123Vendor Advisory
https://support.apple.com/HT210124Vendor Advisory
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