CVE-2019-8661
A use after free issue was addressed with improved memory management. This issue is fixed in...
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.
- Record
CVE-2019-8661- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.
- Record
CVE-2019-8661- Updated
- 2026-11-02
EUVDEUVD-2019-18051 No score
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.
- Record
EUVD-2019-18051- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qp2w-5j73-m364 No score
A use after free issue was addressed with improved memory management. This issue is fixed in...
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Mojave 10.14.6. A remote attacker may be able to cause arbitrary code execution.
- Record
GHSA-qp2w-5j73-m364- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | macOS iMessage - Heap Overflow when Deserializing | 2019-08-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | 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-2019-8661 is a critical vulnerability (CVSS 9.8) in Apple Macos, published December 18, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 10.3%, the 95th percentile. No source names a fixed version.