CVE-2019-8639 json
Multiple memory corruption issues were addressed with improved memory handling.
published 2020-10-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18029
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in watchOS 5.2, iCloud for Windows 7.11, iOS 12.2, iTunes 12.9.4 for Windows, Safari 12.1. Processing maliciously crafted web content may lead to arbitrary code execution.
Patch / fix
- Apple iOS 12.2
- Apple watchOS 5.2
- Apple Safari 12.1
- Apple iTunes for Windows 12.9
- Apple iCloud for Windows 7.11
Exploit prediction
1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/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 watchOS
- Apple Safari
- Apple iTunes for Windows
- Apple iCloud for Windows
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
support.apple.com
/en-us/HT209599
vendor-advisory
-
support.apple.com
/en-us/HT209602
vendor-advisory
-
support.apple.com
/en-us/HT209603
vendor-advisory
-
support.apple.com
/en-us/HT209604
vendor-advisory
-
support.apple.com
/en-us/HT209605
vendor-advisory
Sources
- CVE List CVE-2019-8639
- NVD CVE-2019-8639
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.