CVE-2023-38259
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS...
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.6.8, macOS Ventura 13.5, macOS Big Sur 11.7.9. An app may be able to access user-sensitive data.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.6.8, macOS Ventura 13.5, macOS Big Sur 11.7.9. An app may be able to access user-sensitive data.
- Record
CVE-2023-38259- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
CVE List No score
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.6.8, macOS Ventura 13.5, macOS Big Sur 11.7.9. An app may be able to access user-sensitive data.
- Record
CVE-2023-38259- Updated
- 2026-11-02
EUVDEUVD-2023-42079
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Monterey 12.6.8, macOS Ventura 13.5, macOS Big Sur 11.7.9. An app may be able to access user-sensitive data.
- Record
EUVD-2023-42079- CVSS
- 0.0 None
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-38rm-v4v3-vhx2
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS...
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.5, macOS Monterey 12.6.8, macOS Big Sur 11.7.9. Processing a file may lead to a denial-of-service or potentially disclose memory contents.
- Record
GHSA-38rm-v4v3-vhx2- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-38259 is a medium vulnerability (CVSS 5.5) in Apple Macos, published July 27, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.