Home/CVE/Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12
CVE

CVE-2019-8558

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12

Multiple memory corruption issues were 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 EPSS 0.15256
Act now
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 5% 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

6
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
⚠

Public Exploits & PoCs

1
dosWebKit JavaScriptCore - CodeBlock Dangling Watchpoints 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

10
suse-csafSUSE-SU-2022:0142-1
rhsaRHSA-2020:4035Moderate
suse-csafopenSUSE-SU-2019:2587-1
suse-csafopenSUSE-SU-2019:2591-1
suse-csafSUSE-SU-2019:3044-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/HT209599Vendor Advisory
https://support.apple.com/HT209601Vendor Advisory
https://support.apple.com/HT209602Vendor Advisory
https://support.apple.com/HT209603Vendor Advisory
https://support.apple.com/HT209604Vendor Advisory
https://support.apple.com/HT209605Vendor Advisory
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