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CVE-2019-8506
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,…
High8.8Known exploitedEPSS 16.2%
- Published
- Updated
- Reserved
- Assigned by
- apple
Description
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Apple Multiple Products Type Confusion Vulnerability.
- Added
- 4 May 2022
- Fix due (US federal)
- 25 May 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 16.2% · top 3.1% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
- Processing maliciously crafted web content may lead to arbitrary code execution
- CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') (opens in a new tab)All about CWE-843 and its CVEs
Affected products
- affected unspecified – < iOS 12.2
- affected unspecified – < tvOS 12.2
- affected unspecified – < watchOS 5.2
- affected unspecified – < Safari 12.1
- affected unspecified – < iTunes 12.9.4 for Windows
- affected unspecified – < iCloud for Windows 7.11
References (7)
- https://support.apple.com/HT209599 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209601 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209603 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209604 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209605 (opens in a new tab)x_refsource_MISCx_transferred
- https://support.apple.com/HT209602 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8506 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-8506)Record last updated .