Out-of-bounds write in Apple macOS
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. Parsing a file may lead to an unexpected app termination.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 14.8.2, 15.7.2, 26.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 14.8.2, 15.7.2, 26.1
38 records Highest priority Priority MEDIUM 2 MEDIUM, 36 LOW
Other records, highest priority first
- TI-2025-28106 Improper input validation in Apple macOSPriority MEDIUM 41
- TI-2025-28118 Improper access control in Apple iOS and iPadOSPriority MEDIUM 40
- TI-2025-28078 Memory corruption in Apple macOSPriority LOW 39
Timeline
- 2026-10-02 Threatist record created from CVE-2025-43380
- 2026-10-03 Alias added: GHSA-jch4-f274-53mv
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-2025-43380 · CVE Program
- CVE-2025-43380 · NVD
- FIRST EPSS
- GHSA-jch4-f274-53mv · 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