CVE-2019-8542 json
A buffer overflow was addressed with improved bounds checking.
published 2019-12-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-17932
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious application may be able to elevate privileges.
Patch / fix
- Apple iOS iOS 12.2
- Apple macOS macOS Mojave 10.14.4
- Apple tvOS tvOS 12.2
- Apple watchOS watchOS 5.2
- Apple iTunes for Windows iTunes 12.9.4 for Windows
- Apple iCloud for Windows iCloud for Windows 7.11
Exploit prediction
1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Apple iOS
- Apple macOS
- Apple tvOS
- Apple watchOS
- Apple iTunes for Windows
- Apple iCloud for Windows
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
support.apple.com
/HT209599
vendor-advisory
-
support.apple.com
/HT209601
vendor-advisory
-
support.apple.com
/HT209604
vendor-advisory
-
support.apple.com
/HT209605
vendor-advisory
-
support.apple.com
/HT209600
vendor-advisory
-
support.apple.com
/HT209602
vendor-advisory
Sources
- CVE List CVE-2019-8542
- NVD CVE-2019-8542
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.