CVE-2018-4366
A memory corruption issue was addressed with improved input validation. This issue affected...
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
- Record
CVE-2018-4366- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
- Record
CVE-2018-4366- Updated
- 2026-11-02
EUVDEUVD-2018-16152 No score
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
- Record
EUVD-2018-16152- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3x3v-84v2-gwh2
A memory corruption issue was addressed with improved input validation. This issue affected...
A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.
- Record
GHSA-3x3v-84v2-gwh2- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | FaceTime - 'VCPDecompressionDecodeFrame' Memory Corruption | 2018-11-06 |
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-2018-4366 is a high vulnerability (CVSS 7.5) in Cisco Ios, published April 3, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.45%, the 93rd percentile. No source names a fixed version.