CVE-2019-8527
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2,...
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel 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
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
- Record
CVE-2019-8527- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - CVSS 2.0
- 9.4 High
AV:N/AC:L/Au:N/C:N/I:C/A:C - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
- Record
CVE-2019-8527- Updated
- 2026-11-02
EUVDEUVD-2019-17917 No score
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
- Record
EUVD-2019-17917- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c4q5-2fgw-8768 No score
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2,...
A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
- Record
GHSA-c4q5-2fgw-8768- 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-2019-8527 is a critical vulnerability (CVSS 9.1) in Apple Ios, published December 18, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.24%, the 88th percentile. No source names a fixed version.