CVE-2019-8558 EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 7.5% (pctl 94)
Patch early
A public exploit exists.
Description
Multiple memory corruption issues were 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.
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 7.54% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-787 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2019-12-18 |
| Last modified | 2026-06-17 |
Affected (6)
| Vendor | Product |
|---|---|
| apple | icloud |
| apple | iphone os |
| apple | itunes |
| apple | safari |
| apple | tvos |
| apple | watchos |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free | 2019-04-03 |
References
- https://support.apple.com/HT209599
- https://support.apple.com/HT209601
- https://support.apple.com/HT209602
- https://support.apple.com/HT209603
- https://support.apple.com/HT209604
- https://support.apple.com/HT209605
- https://support.apple.com/HT209599
- https://support.apple.com/HT209601
- https://support.apple.com/HT209602
- https://support.apple.com/HT209603
- https://support.apple.com/HT209604
- https://support.apple.com/HT209605
→ the Explorer · watch your stack · NVD