Integer signedness error in the parse_machfile function in the mach-o loader…
Priority LOW 12Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Integer signedness error in the parse_machfile function in the mach-o loader (mach_loader.c) for the Darwin Kernel as used in Mac OS X 10.3.7, and other versions before 10.3.9, allows local users to cause a denial of service (CPU consumption) via a crafted mach-o header.
Why it matters now
EPSS 0.00507 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:mac_os_x:10.3:*:*:*:*:*:*:* | 10.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.3.1:*:*:*:*:*:*:* | 10.3.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.3.2:*:*:*:*:*:*:* | 10.3.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.3.3:*:*:*:*:*:*:* | 10.3.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.3.4:*:*:*:*:*:*:* | 10.3.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.3.5:*:*:*:*:*:*:* | 10.3.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:10.3.6:*:*:*:*:*:*:* | 10.3.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:10.3:*:*:*:*:*:*:* | 10.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:10.3.1:*:*:*:*:*:*:* | 10.3.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:10.3.2:*:*:*:*:*:*:* | 10.3.2 | Vulnerable | Apple |
- cpe:2.3:o:apple:mac_os_x:10.3:*:*:*:*:*:*:* Versions 10.3 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.3.1:*:*:*:*:*:*:* Versions 10.3.1 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.3.2:*:*:*:*:*:*:* Versions 10.3.2 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.3.3:*:*:*:*:*:*:* Versions 10.3.3 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.3.4:*:*:*:*:*:*:* Versions 10.3.4 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.3.5:*:*:*:*:*:*:* Versions 10.3.5 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:10.3.6:*:*:*:*:*:*:* Versions 10.3.6 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:10.3:*:*:*:*:*:*:* Versions 10.3 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:10.3.1:*:*:*:*:*:*:* Versions 10.3.1 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:10.3.2:*:*:*:*:*:*:* Versions 10.3.2 Vulnerable ·Apple
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:mac_os_x_server:10.3.3:*:*:*:*:*:*:* | 10.3.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:10.3.4:*:*:*:*:*:*:* | 10.3.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:10.3.5:*:*:*:*:*:*:* | 10.3.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:10.3.6:*:*:*:*:*:*:* | 10.3.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x_server:10.3.7:*:*:*:*:*:*:* | 10.3.7 | Vulnerable | Apple |
| cpe:2.3:o:opendarwin:darwin_kernel:7.1:*:*:*:*:*:*:* | 7.1 | Vulnerable | Opendarwin |
- cpe:2.3:o:apple:mac_os_x_server:10.3.3:*:*:*:*:*:*:* Versions 10.3.3 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:10.3.4:*:*:*:*:*:*:* Versions 10.3.4 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:10.3.5:*:*:*:*:*:*:* Versions 10.3.5 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:10.3.6:*:*:*:*:*:*:* Versions 10.3.6 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x_server:10.3.7:*:*:*:*:*:*:* Versions 10.3.7 Vulnerable ·Apple
- cpe:2.3:o:opendarwin:darwin_kernel:7.1:*:*:*:*:*:*:* Versions 7.1 Vulnerable ·Opendarwin
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-0975
- 2026-10-03 Alias added: GHSA-mj88-fhg6-9xxg
References
Sources
- CVE-2005-0975 · CVE Program
- CVE-2005-0975 · NVD
- FIRST EPSS
- GHSA-mj88-fhg6-9xxg · GitHub Advisory Database · CC BY 4.0
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