CVE-2019-8506A type confusion issue was addressed with improved memory handling.
Updated under an hour ago ()
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It affects Apple iOS and 11 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since May 4, 2022; federal agencies had to remediate by May 25, 2022. Treat that date as your deadline.
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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.
- CVSS
- 8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-843
- Known exploited
- Added to CISA KEV May 4, 2022; federal remediation due May 25, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 16.16% (percentile 97)
- Assigned by
- apple
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apple iOS apple:ios (from the name) | from unspecified before iOS 12.2 | CNA record |
Apple tvOS apple:tvos (from the name) | from unspecified before tvOS 12.2 | CNA record |
Apple watchOS apple:watchos (from the name) | from unspecified before watchOS 5.2 | CNA record |
Apple Safari apple:safari (from the name) | from unspecified before Safari 12.1 | CNA record |
Apple iTunes for Windows apple:itunes_for_windows (from the name) | from unspecified before iTunes 12.9.4 for Windows | CNA record |
Apple iCloud for Windows apple:icloud_for_windows (from the name) | from unspecified before iCloud for Windows 7.11 | CNA record |
apple icloud apple:icloud | before 7.11 | NVD |
apple itunes apple:itunes | before 12.9.4 | NVD |
apple safari apple:safari | before 12.1 | NVD |
apple iphone_os apple:iphone_os | before 12.2 | NVD |
apple tvos apple:tvos | before 12.2 | NVD |
apple watchos apple:watchos | before 5.2 | NVD |
redhat enterprise_linux_desktop redhat:enterprise_linux_desktop | 7.0 | NVD |
redhat enterprise_linux_server redhat:enterprise_linux_server | 7.0 | NVD |
redhat enterprise_linux_workstation redhat:enterprise_linux_workstation | 7.0 | NVD |
References
- https://support.apple.com/HT209599x-refsource-misc, release-notes, vendor-advisory
- https://support.apple.com/HT209601x-refsource-misc, release-notes, vendor-advisory
- https://support.apple.com/HT209603x-refsource-misc, release-notes, vendor-advisory
- https://support.apple.com/HT209604x-refsource-misc, release-notes, vendor-advisory
- https://support.apple.com/HT209605x-refsource-misc, release-notes, vendor-advisory
- https://support.apple.com/HT209602x-refsource-misc, release-notes, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8506us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.