CVE catalog

CVE-2020-3810

apt: CVE-2020-3810

Severity: Medium
Published: May 12, 2020, 8:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.34% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	apt	sid	`3.3.4`	fixed
Debian	apt	forky	`3.3.3`	fixed
Debian	apt	trixie	`3.0.3`	fixed
Debian	apt	bookworm	`2.6.1`	fixed
Ubuntu	apt	pro	`0.9.9.1~ubuntu3`	vulnerable
Ubuntu	apt	pro	`0.9.9.1~ubuntu4`	vulnerable
Ubuntu	apt	pro	`0.9.9.1~ubuntu5`	vulnerable
Ubuntu	apt	pro	`0.9.13~exp1ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.13~exp1ubuntu2`	vulnerable
Ubuntu	apt	pro	`0.9.13~exp1ubuntu3`	vulnerable
Ubuntu	apt	pro	`0.9.13.1~ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.14.1ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.14.1ubuntu2`	vulnerable
Ubuntu	apt	pro	`0.9.15.1ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu2`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu3`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu4`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu5`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.1`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.3`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.4.1`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.5`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.6`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.7`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.8`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.9`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.10`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.11`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.12`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.13`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.14`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.15`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.17`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.18`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.19`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.20`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.22`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.23`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.24`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.24+esm1`	fixed
Ubuntu	apt	16.04	`1.0.10.2ubuntu1`	vulnerable
Ubuntu	apt	16.04	`1.1.4`	vulnerable
Ubuntu	apt	16.04	`1.1.5`	vulnerable
Ubuntu	apt	16.04	`1.1.10`	vulnerable
Ubuntu	apt	16.04	`1.2.3`	vulnerable
Ubuntu	apt	16.04	`1.2.4`	vulnerable
Ubuntu	apt	16.04	`1.2.6`	vulnerable
Ubuntu	apt	16.04	`1.2.7`	vulnerable
Ubuntu	apt	16.04	`1.2.8`	vulnerable
Ubuntu	apt	16.04	`1.2.9`	vulnerable
Ubuntu	apt	16.04	`1.2.10`	vulnerable
Ubuntu	apt	16.04	`1.2.10ubuntu1`	vulnerable
Ubuntu	apt	16.04	`1.2.12~ubuntu16.04.1`	vulnerable
Ubuntu	apt	16.04	`1.2.15`	vulnerable
Ubuntu	apt	16.04	`1.2.15ubuntu0.2`	vulnerable
Ubuntu	apt	16.04	`1.2.18`	vulnerable
Ubuntu	apt	16.04	`1.2.19`	vulnerable
Ubuntu	apt	16.04	`1.2.20`	vulnerable
Ubuntu	apt	16.04	`1.2.24`	vulnerable
Ubuntu	apt	16.04	`1.2.25`	vulnerable
Ubuntu	apt	16.04	`1.2.26`	vulnerable
Ubuntu	apt	16.04	`1.2.27`	vulnerable
Ubuntu	apt	16.04	`1.2.29`	vulnerable
Ubuntu	apt	16.04	`1.2.29ubuntu0.1`	vulnerable
Ubuntu	apt	16.04	`1.2.31`	vulnerable
Ubuntu	apt	16.04	`1.2.32`	vulnerable
Ubuntu	apt	16.04	`1.2.32ubuntu0.1`	fixed
Ubuntu	apt	18.04	`1.5`	vulnerable
Ubuntu	apt	18.04	`1.5.1`	vulnerable
Ubuntu	apt	18.04	`1.6~alpha5`	vulnerable
Ubuntu	apt	18.04	`1.6~alpha7ubuntu1`	vulnerable
Ubuntu	apt	18.04	`1.6~alpha7ubuntu2`	vulnerable
Ubuntu	apt	18.04	`1.6~beta1`	vulnerable
Ubuntu	apt	18.04	`1.6~rc1`	vulnerable
Ubuntu	apt	18.04	`1.6`	vulnerable
Ubuntu	apt	18.04	`1.6.1`	vulnerable
Ubuntu	apt	18.04	`1.6.2`	vulnerable
Ubuntu	apt	18.04	`1.6.3`	vulnerable
Ubuntu	apt	18.04	`1.6.3ubuntu0.1`	vulnerable
Ubuntu	apt	18.04	`1.6.6`	vulnerable
Ubuntu	apt	18.04	`1.6.6ubuntu0.1`	vulnerable
Ubuntu	apt	18.04	`1.6.8`	vulnerable
Ubuntu	apt	18.04	`1.6.10`	vulnerable
Ubuntu	apt	18.04	`1.6.11`	vulnerable
Ubuntu	apt	18.04	`1.6.12`	vulnerable
Ubuntu	apt	18.04	`1.6.12ubuntu0.1`	fixed
Ubuntu	apt	20.04	`1.9.4`	vulnerable
Ubuntu	apt	20.04	`1.9.5`	vulnerable
Ubuntu	apt	20.04	`1.9.7`	vulnerable
Ubuntu	apt	20.04	`1.9.8`	vulnerable
Ubuntu	apt	20.04	`1.9.9`	vulnerable
Ubuntu	apt	20.04	`1.9.10`	vulnerable
Ubuntu	apt	20.04	`2.0.0`	vulnerable
Ubuntu	apt	20.04	`2.0.1`	vulnerable
Ubuntu	apt	20.04	`2.0.1ubuntu1`	vulnerable
Ubuntu	apt	20.04	`2.0.2`	vulnerable
Ubuntu	apt	20.04	`2.0.2ubuntu0.1`	fixed
Ubuntu	apt	pro	`0.9.9.1~ubuntu3`	vulnerable
Ubuntu	apt	pro	`0.9.9.1~ubuntu4`	vulnerable
Ubuntu	apt	pro	`0.9.9.1~ubuntu5`	vulnerable
Ubuntu	apt	pro	`0.9.13~exp1ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.13~exp1ubuntu2`	vulnerable
Ubuntu	apt	pro	`0.9.13~exp1ubuntu3`	vulnerable
Ubuntu	apt	pro	`0.9.13.1~ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.14.1ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.14.1ubuntu2`	vulnerable
Ubuntu	apt	pro	`0.9.15.1ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu1`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu2`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu3`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu4`	vulnerable
Ubuntu	apt	pro	`0.9.15.4ubuntu5`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.1`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.3`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.4.1`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.5`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.6`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.7`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.8`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.9`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.10`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.11`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.12`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.13`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.14`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.15`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.17`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.18`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.19`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.20`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.22`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.23`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.24`	vulnerable
Ubuntu	apt	pro	`1.0.1ubuntu2.24+esm1`	fixed
Ubuntu	apt	16.04	`1.0.10.2ubuntu1`	vulnerable
Ubuntu	apt	16.04	`1.1.4`	vulnerable
Ubuntu	apt	16.04	`1.1.5`	vulnerable
Ubuntu	apt	16.04	`1.1.10`	vulnerable
Ubuntu	apt	16.04	`1.2.3`	vulnerable
Ubuntu	apt	16.04	`1.2.4`	vulnerable
Ubuntu	apt	16.04	`1.2.6`	vulnerable
Ubuntu	apt	16.04	`1.2.7`	vulnerable
Ubuntu	apt	16.04	`1.2.8`	vulnerable
Ubuntu	apt	16.04	`1.2.9`	vulnerable
Ubuntu	apt	16.04	`1.2.10`	vulnerable
Ubuntu	apt	16.04	`1.2.10ubuntu1`	vulnerable
Ubuntu	apt	16.04	`1.2.12~ubuntu16.04.1`	vulnerable
Ubuntu	apt	16.04	`1.2.15`	vulnerable
Ubuntu	apt	16.04	`1.2.15ubuntu0.2`	vulnerable
Ubuntu	apt	16.04	`1.2.18`	vulnerable
Ubuntu	apt	16.04	`1.2.19`	vulnerable
Ubuntu	apt	16.04	`1.2.20`	vulnerable
Ubuntu	apt	16.04	`1.2.24`	vulnerable
Ubuntu	apt	16.04	`1.2.25`	vulnerable
Ubuntu	apt	16.04	`1.2.26`	vulnerable
Ubuntu	apt	16.04	`1.2.27`	vulnerable
Ubuntu	apt	16.04	`1.2.29`	vulnerable
Ubuntu	apt	16.04	`1.2.29ubuntu0.1`	vulnerable
Ubuntu	apt	16.04	`1.2.31`	vulnerable
Ubuntu	apt	16.04	`1.2.32`	vulnerable
Ubuntu	apt	16.04	`1.2.32ubuntu0.1`	fixed
Ubuntu	apt	18.04	`1.5`	vulnerable
Ubuntu	apt	18.04	`1.5.1`	vulnerable
Ubuntu	apt	18.04	`1.6~alpha5`	vulnerable
Ubuntu	apt	18.04	`1.6~alpha7ubuntu1`	vulnerable
Ubuntu	apt	18.04	`1.6~alpha7ubuntu2`	vulnerable
Ubuntu	apt	18.04	`1.6~beta1`	vulnerable
Ubuntu	apt	18.04	`1.6~rc1`	vulnerable
Ubuntu	apt	18.04	`1.6`	vulnerable
Ubuntu	apt	18.04	`1.6.1`	vulnerable
Ubuntu	apt	18.04	`1.6.2`	vulnerable
Ubuntu	apt	18.04	`1.6.3`	vulnerable
Ubuntu	apt	18.04	`1.6.3ubuntu0.1`	vulnerable
Ubuntu	apt	18.04	`1.6.6`	vulnerable
Ubuntu	apt	18.04	`1.6.6ubuntu0.1`	vulnerable
Ubuntu	apt	18.04	`1.6.8`	vulnerable
Ubuntu	apt	18.04	`1.6.10`	vulnerable
Ubuntu	apt	18.04	`1.6.11`	vulnerable
Ubuntu	apt	18.04	`1.6.12`	vulnerable
Ubuntu	apt	18.04	`1.6.12ubuntu0.1`	fixed
Ubuntu	apt	20.04	`1.9.4`	vulnerable
Ubuntu	apt	20.04	`1.9.5`	vulnerable
Ubuntu	apt	20.04	`1.9.7`	vulnerable
Ubuntu	apt	20.04	`1.9.8`	vulnerable
Ubuntu	apt	20.04	`1.9.9`	vulnerable
Ubuntu	apt	20.04	`1.9.10`	vulnerable
Ubuntu	apt	20.04	`2.0.0`	vulnerable
Ubuntu	apt	20.04	`2.0.1`	vulnerable
Ubuntu	apt	20.04	`2.0.1ubuntu1`	vulnerable
Ubuntu	apt	20.04	`2.0.2`	vulnerable
Ubuntu	apt	20.04	`2.0.2ubuntu0.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	apt	source	sid	`2.1.2`	not yet assigned	Not reported	Not reported
Debian	apt	source	forky	`2.1.2`	not yet assigned	Not reported	Not reported
Debian	apt	source	trixie	`2.1.2`	not yet assigned	Not reported	Not reported
Debian	apt	source	bookworm	`2.1.2`	not yet assigned	Not reported	Not reported
Ubuntu	apt	deb	pro	`1.0.1ubuntu2.24+esm1`	Not reported	UBUNTU-CVE-2020-3810	Not reported
Ubuntu	apt	deb	16.04	`1.2.32ubuntu0.1`	Not reported	UBUNTU-CVE-2020-3810	Not reported
Ubuntu	apt	deb	18.04	`1.6.12ubuntu0.1`	Not reported	UBUNTU-CVE-2020-3810	Not reported
Ubuntu	apt	deb	20.04	`2.0.2ubuntu0.1`	Not reported	UBUNTU-CVE-2020-3810	Not reported
Ubuntu	apt	deb	pro	`1.0.1ubuntu2.24+esm1`	Not reported	USN-4359-2	Not reported
Ubuntu	apt	deb	16.04	`1.2.32ubuntu0.1`	Not reported	USN-4359-1	Not reported
Ubuntu	apt	deb	18.04	`1.6.12ubuntu0.1`	Not reported	USN-4359-1	Not reported
Ubuntu	apt	deb	20.04	`2.0.2ubuntu0.1`	Not reported	USN-4359-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[apt]Fixed
Details (2)
- 2.6.1 · amd64 · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
- 2.6.1 · arm64 · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
[apt-doc]Fixed
Source package: [apt]
Details (2)
- 2.6.1 · all · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
- 2.6.1 · all · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
[apt-transport-https]Fixed
Source package: [apt]
Details (2)
- 2.6.1 · all · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
- 2.6.1 · all · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
[apt-utils]Fixed
Source package: [apt]
Details (2)
- 2.6.1 · amd64 · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
- 2.6.1 · arm64 · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
[libapt-pkg6.0]Fixed
Source package: [apt]
Details (2)
- 2.6.1 · amd64 · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
- 2.6.1 · arm64 · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
[libapt-pkg-dev]Fixed
Source package: [apt]
Details (2)
- 2.6.1 · amd64 · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
- 2.6.1 · arm64 · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
[libapt-pkg-doc]Fixed
Source package: [apt]
Details (2)
- 2.6.1 · all · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12
- 2.6.1 · all · bookworm
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · bookworm; dsa · apt · debian · 12

[Debian 13 (Trixie)]

[apt]Fixed
Details (2)
- 3.0.3 · amd64 · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
- 3.0.3 · arm64 · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
[apt-doc]Fixed
Source package: [apt]
Details (2)
- 3.0.3 · all · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
- 3.0.3 · all · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
[apt-transport-https]Fixed
Source package: [apt]
Details (2)
- 3.0.3 · all · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
- 3.0.3 · all · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
[apt-utils]Fixed
Source package: [apt]
Details (2)
- 3.0.3 · amd64 · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
- 3.0.3 · arm64 · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
[libapt-pkg7.0]Fixed
Source package: [apt]
Details (2)
- 3.0.3 · amd64 · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
- 3.0.3 · arm64 · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
[libapt-pkg-dev]Fixed
Source package: [apt]
Details (2)
- 3.0.3 · amd64 · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
- 3.0.3 · arm64 · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
[libapt-pkg-doc]Fixed
Source package: [apt]
Details (2)
- 3.0.3 · all · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13
- 3.0.3 · all · trixie
  Fixed · Fixed: 2.1.2
  dsa · apt · debian · 13

Observed: Oct 23, 2026, 5:52:46 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]