CVE-2018-4434
An out-of-bounds read was addressed with improved input validation. This issue affected versions...
An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.2.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.2.
- Record
CVE-2018-4434- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - CVSS 2.0
- 6.6 Medium
AV:L/AC:L/Au:N/C:C/I:N/A:C - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.2.
- Record
CVE-2018-4434- Updated
- 2026-11-02
EUVDEUVD-2018-16220 No score
An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.2.
- Record
EUVD-2018-16220- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-72vf-q39g-pw7c
An out-of-bounds read was addressed with improved input validation. This issue affected versions...
An out-of-bounds read was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14.2.
- Record
GHSA-72vf-q39g-pw7c- CVSS 3.0
- 7.1 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-4434 is a high vulnerability (CVSS 7.1) in Apple Macos, published April 3, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.