CVE-2019-8746 json
An out-of-bounds read was addressed with improved input validation.
published 2020-10-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18136
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Patch / fix
- Apple tvOS 13
- Apple iOS 13
- Apple watchOS 6
- Apple macOS 7.14, 10.7, 10.15, 12.10
Exploit prediction
3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Apple tvOS
- Apple iOS
- Apple watchOS
- Apple macOS
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
support.apple.com
/en-us/HT210634
vendor-advisory
-
support.apple.com
/en-us/HT210722
vendor-advisory
-
support.apple.com
/en-us/HT210604
vendor-advisory
-
support.apple.com
/en-us/HT210606
vendor-advisory
-
support.apple.com
/en-us/HT210607
vendor-advisory
-
support.apple.com
/en-us/HT210635
vendor-advisory
-
support.apple.com
/en-us/HT210636
vendor-advisory
-
support.apple.com
/en-us/HT210637
vendor-advisory
Sources
- CVE List CVE-2019-8746
- NVD CVE-2019-8746
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.