CVE-2019-8556 json
A use after free issue was addressed with improved memory management.
published 2019-12-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-17946
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.2, tvOS 12.2, 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.
Patch / fix
- Apple iOS iOS 12.2
- Apple tvOS tvOS 12.2
- Apple Safari Safari 12.1
- Apple iTunes for Windows iTunes 12.9.4 for Windows
- Apple iCloud for Windows iCloud for Windows 7.11
Exploit prediction
1.42% chance of exploitation in the next 30 days, higher than 73% 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 tvOS
- Apple Safari
- Apple iTunes for Windows
- Apple iCloud for Windows
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
support.apple.com
/HT209599
vendor-advisory
-
support.apple.com
/HT209601
vendor-advisory
-
support.apple.com
/HT209603
vendor-advisory
-
support.apple.com
/HT209604
vendor-advisory
-
support.apple.com
/HT209605
vendor-advisory
Sources
- CVE List CVE-2019-8556
- NVD CVE-2019-8556
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.