Memory corruption in Apple macOS
Priority LOW 31CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The issue was addressed with improved bounds checks. This issue is fixed in macOS Ventura 13.3. An app may be able to cause unexpected system termination or write kernel memory.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00214 11th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 13.3
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 13.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 13.3
10 records Highest priority Priority LOW 10 LOW
Other records, highest priority first
- TI-2023-21699 Type confusion in Apple macOSPriority LOW 35
- TI-2023-15668 Use after free in Apple macOSPriority LOW 35
- TI-2023-15657 Out-of-bounds write in Apple macOSPriority LOW 35
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32436
- 2026-10-03 Alias added: GHSA-3g9c-8hqm-qp82
References
Advisory 1
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-2023-32436 · CVE Program
- CVE-2023-32436 · NVD
- FIRST EPSS
- GHSA-3g9c-8hqm-qp82 · GitHub Advisory Database · CC BY 4.0
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