CVE-2019-12420

Publication date 12 December 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In Apache SpamAssassin before 3.4.3, a message can be crafted in a way to use excessive resources. Upgrading to SA 3.4.3 as soon as possible is the recommended fix but details will not be shared publicly.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
spamassassin	19.10 eoan	Fixed in 3.4.2-1ubuntu0.19.10.1
	19.04 disco	Fixed in 3.4.2-1ubuntu0.19.04.1
	18.04 LTS bionic	Fixed in 3.4.2-0ubuntu0.18.04.2
	16.04 LTS xenial	Fixed in 3.4.2-0ubuntu0.16.04.2
	14.04 LTS trusty	Fixed in 3.4.2-0ubuntu0.14.04.1+esm1

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Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

USN-4237-1
SpamAssassin vulnerabilities
13 January 2020

USN-4237-2
SpamAssassin vulnerabilities
15 January 2020