Out-of-bounds read in Apple macOS
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
A privacy issue was addressed with improved handling of temporary files. This issue is fixed in macOS Big Sur 11.7.7, macOS Monterey 12.6.6, macOS Ventura 13.4. An app may be able to observe unprotected user data.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA macOS (Apple) Fixed in 13.4
- Fix · CNA macOS (Apple) Fixed in 12.6
- Fix · CNA macOS (Apple) Fixed in 11.7
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 13.4
53 records Highest priority Priority CRITICAL 5 CRITICAL, 3 MEDIUM, 45 LOW
Other records, highest priority first
- TI-2023-15726 Type confusion in Apple iOS and iPadOSPriority CRITICAL 97
- TI-2023-15664 Use after free in Apple macOSPriority CRITICAL 97
- TI-2023-15698 Apple macOS: A remote attacker may be able to break out of Web Content sandboxPriority CRITICAL 94
- Release ·
Apple macOS 12.6
32 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 28 LOW
Other records, highest priority first
- TI-2023-15721 Integer overflow in Apple macOSPriority CRITICAL 93
- TI-2023-15701 Use after free in Apple macOSPriority MEDIUM 52
- TI-2023-15677 Use after free in Apple macOSPriority MEDIUM 52
Show 1 more group
- Release ·
Apple macOS 11.7
28 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2023-15721 Integer overflow in Apple macOSPriority CRITICAL 93
- TI-2023-15701 Use after free in Apple macOSPriority MEDIUM 52
- TI-2023-15677 Use after free in Apple macOSPriority MEDIUM 52
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32386
- 2026-10-03 Alias added: GHSA-fvw5-vrf4-ccp4
References
More Apple Macos vulnerabilities
- TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2023-32386 · CVE Program
- CVE-2023-32386 · NVD
- FIRST EPSS
- GHSA-fvw5-vrf4-ccp4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences