CVE-2017-15130

Publication date 28 February 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

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.

Read the notes from the security team

Status

Package Ubuntu Release Status
dovecot 17.10 artful
Fixed 1:2.2.27-3ubuntu1.3
16.04 LTS xenial
Fixed 1:2.2.22-1ubuntu2.7
14.04 LTS trusty
Fixed 1:2.2.9-1ubuntu2.4

Notes

mdeslaur

affects 2.2.0 - 2.2.33, 2.3.0

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.9 · Medium

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references

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