CVE-2020-27350

Publication date 9 December 2020

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior to 1.2.32ubuntu0.2; 1.6.12ubuntu0 versions prior to 1.6.12ubuntu0.2; 2.0.2ubuntu0 versions prior to 2.0.2ubuntu0.2; 2.1.10ubuntu0 versions prior to 2.1.10ubuntu0.1;

Status

Show unmaintained releases

Package	Ubuntu Release	Status
apt	21.04 hirsute	Fixed 2.1.13
	20.10 groovy	Fixed 2.1.10ubuntu0.1
	20.04 LTS focal	Fixed 2.0.2ubuntu0.2
	18.04 LTS bionic	Fixed 1.6.12ubuntu0.2
	16.04 LTS xenial	Fixed 1.2.32ubuntu0.2
	14.04 LTS trusty	Fixed 1.0.1ubuntu2.24+esm3

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Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.7 · Medium

Base metrics

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

Scores

Parameter	Value
Base score	5.7 · Medium
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-4667-1
APT vulnerability
9 December 2020

USN-4667-2
APT vulnerability
11 January 2021

Other references

https://www.cve.org/CVERecord?id=CVE-2020-27350