CVE-2019-8663
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10...
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.
- Record
CVE-2019-8663- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.
- Record
CVE-2019-8663- Updated
- 2026-11-02
EUVDEUVD-2019-18053 No score
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.
- Record
EUVD-2019-18053- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-43m3-5mhm-q5fc No score
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10...
This issue was addressed with improved checks. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6. A remote attacker may be able to leak memory.
- Record
GHSA-43m3-5mhm-q5fc- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | NSKeyedUnarchiver - Info Leak in Decoding SGBigUTF8String | 2019-08-15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-8663 is a medium vulnerability (CVSS 5.3) in Apple Ios, published December 18, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.69%, the 93rd percentile. No source names a fixed version.