5.5

CVE-2020-21679: graphicsmagick Out-of-bounds Write

CVSS: 5.5v3.1MediumModified
AliasesSUSE-SU-2023:3739-1UBUNTU-CVE-2020-21679DEBIAN-CVE-2020-21679
Published 22-08-2023Last modified 07-10-2024

Vulnerability summary

CVE-2020-21679 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in graphicsmagick. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.43%
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 1 · Related 1

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 07-10-2024
    Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability in WritePCXImage function in pcx.c in GraphicsMagick 1.4 allows remote attackers to cause a denial of service via converting of crafted image file to pcx format.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

0.00 pp

From 0.43% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (sourceforge.net)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Suse4 products
  • ImageMagick&distro=SUSE Linux Enterprise Server 12 SP5< 6.8.8.1-71.198.1
  • ImageMagick&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5< 6.8.8.1-71.198.1
  • ImageMagick&distro=SUSE Linux Enterprise Software Development Kit 12 SP5< 6.8.8.1-71.198.1
  • ImageMagick&distro=SUSE Linux Enterprise Workstation Extension 12 SP5< 6.8.8.1-71.198.1
Debian1 product
  • graphicsmagick< 1.4+really1.3.34+hg16181-1
Graphicsmagick1 product
Opensuse1 product
  • ImageMagick&distro=openSUSE Leap 15.4< 7.0.7.34-150200.10.54.1
Ubuntu1 product
  • graphicsmagickAll versions (No fix recorded)

5 vendors · 8 products

References

8 links