CVE-2020-18032

Publication date 29 April 2021

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

Buffer Overflow in Graphviz Graph Visualization Tools from commit ID f8b9e035 and earlier allows remote attackers to execute arbitrary code or cause a denial of service (application crash) by loading a crafted file into the "lib/common/shapes.c" component.

Status

Package Ubuntu Release Status
graphviz 25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
23.10 mantic
Not affected
23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Fixed 2.42.2-3ubuntu0.1~esm1
18.04 LTS bionic
Fixed 2.40.1-2ubuntu0.1~esm1
16.04 LTS xenial
Fixed 2.38.0-12ubuntu2.1+esm1
14.04 LTS trusty
Fixed 2.36.0-0ubuntu3.2+esm1

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Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-5264-1
    • Graphviz vulnerabilities
    • 3 February 2022
    • USN-5971-1
    • Graphviz vulnerabilities
    • 24 March 2023

Other references