CVE-2020-3810

Publication date 12 May 2020

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
apt	20.04 LTS focal	Fixed 2.0.2ubuntu0.1
	19.10 eoan	Fixed 1.9.4ubuntu0.1
	18.04 LTS bionic	Fixed 1.6.12ubuntu0.1
	16.04 LTS xenial	Fixed 1.2.32ubuntu0.1
	14.04 LTS trusty	Fixed 1.0.1ubuntu2.24+esm1

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Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

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

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-4359-1
APT vulnerability
14 May 2020

USN-4359-2
APT vulnerability
28 May 2020