Resource allocation without limits in Apple macOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-770.
Summary
The issue was addressed with improved memory handling. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, macOS Big Sur 11.7.5. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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
- 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 13.3
52 records Highest priority Priority MEDIUM 8 MEDIUM, 44 LOW
Other records, highest priority first
- TI-2023-12543 Out-of-bounds write in Apple macOSPriority MEDIUM 52
- TI-2023-12765 Race condition in Apple macOSPriority MEDIUM 51
- TI-2023-09358 Apple macOS: A file from an iCloud shared-by-me folder may be able to bypass GatekeeperPriority MEDIUM 50
- Release ·
Apple macOS 12.6
32 records Highest priority Priority MEDIUM 5 MEDIUM, 27 LOW
Other records, highest priority first
- TI-2023-12543 Out-of-bounds write in Apple macOSPriority MEDIUM 52
- TI-2023-12525 Buffer overflow in Apple macOSPriority MEDIUM 44
- TI-2023-12524 Buffer overflow in Apple macOSPriority MEDIUM 44
Show 1 more group
- Release ·
Apple macOS 11.7
29 records Highest priority Priority MEDIUM 3 MEDIUM, 26 LOW
Other records, highest priority first
- TI-2023-12543 Out-of-bounds write in Apple macOSPriority MEDIUM 52
- TI-2023-12525 Buffer overflow in Apple macOSPriority MEDIUM 44
- TI-2023-12534 Origin validation error in Apple macOSPriority LOW 38
Timeline
- 2026-10-02 Threatist record created from CVE-2023-27958
- 2026-10-03 Alias added: GHSA-j23x-w7m9-8c47
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-2023-27958 · CVE Program
- CVE-2023-27958 · NVD
- FIRST EPSS
- GHSA-j23x-w7m9-8c47 · 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