7.8

CVE-2020-18032: debian debian_linux Classic Buffer Overflow

CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2020-18032MGASA-2021-0228SUSE-SU-2021:1646-1
Published 29-04-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-18032 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in debian debian_linux. EPSS estimates a 2.61% chance of exploitation in the next 30 days, higher than 85.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
2.61%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
DLA-2659-1USN-5264-1USN-5971-1CGA-W82J-RQJ6-WHPH

Timeline

  1. 29-04-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 6 sources · 2 versions

EPSS trend

Probability

2.61%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.61% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.61%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Suse68 products
  • graphviz-addons&distro=SUSE Enterprise Storage 6< 2.40.1-6.9.1
  • graphviz-addons&distro=SUSE Linux Enterprise High Availability Extension 15< 2.40.1-6.9.1
  • graphviz-addons&distro=SUSE Linux Enterprise High Availability Extension 15 SP1< 2.40.1-6.9.1
  • graphviz-addons&distro=SUSE Linux Enterprise High Availability Extension 15 SP2< 2.40.1-6.9.1
  • graphviz-addons&distro=SUSE Linux Enterprise High Availability Extension 15 SP3< 2.40.1-6.9.1
Redhat16 products
  • graphviz< 0:2.40.1-43.el8
  • graphviz-debuginfo< 0:2.40.1-43.el8
  • graphviz-debugsource< 0:2.40.1-43.el8
  • graphviz-devel< 0:2.40.1-43.el8
  • graphviz-doc< 0:2.40.1-43.el8
Chainguard6 products
  • py3-graphvizAll versions (No fix recorded)
  • py3.10-graphvizAll versions (No fix recorded)
  • py3.11-graphvizAll versions (No fix recorded)
  • py3.12-graphvizAll versions (No fix recorded)
  • py3.13-graphvizAll versions (No fix recorded)
Opensuse4 products
  • graphviz-addons&distro=openSUSE Leap 15.2< 2.40.1-lp152.7.10.1
  • graphviz-addons&distro=openSUSE Leap 15.3< 2.40.1-6.9.1
  • graphviz&distro=openSUSE Leap 15.2< 2.40.1-lp152.7.10.1
  • graphviz&distro=openSUSE Leap 15.3< 2.40.1-6.9.1
Debian2 products
  • graphviz< 2.42.2-5 | < 2.40.1-6+deb10u1
  • debian_linuxEOL9.0 | 10.0
Mageia2 products
  • graphviz< 2.40.1-17.2.mga7
  • graphviz< 2.44.1-2.1.mga8
Alpine1 product
  • graphviz< 2.42.3-r1 | < 2.44.0-r1 | < 2.44.0-r2 | < 2.46.0-r0
Fedoraproject1 product
Graphviz1 product
Ubuntu1 product
  • graphviz< 2.36.0-0ubuntu3.2+esm1 | < 2.38.0-12ubuntu2.1+esm1 | < 2.40.1-2ubuntu0.1~esm1 | < 2.42.2-3ubuntu0.1~esm1

10 vendors · 102 products

References

28 links
Show all 28 references