5.5

CVE-2021-20241: debian debian_linux Divide By Zero

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-20241DEBIAN-CVE-2021-20241
Published 09-03-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20241 is a medium (CVSS 5.5) Divide By Zero vulnerability in debian debian_linux. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.6% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 11 · Related 8
DLA-2602-1DLA-3429-1MGASA-2021-0156OPENSUSE-SU-2021:0377-1SUSE-SU-2021:0605-1SUSE-SU-2023:4634-1

Timeline

  1. 09-03-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in ImageMagick in coders/jp2.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.12%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.12%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Imagemagick1 product
Ubuntu1 product
  • imagemagick< 8:6.7.7.10-6ubuntu3.13+esm12 | < 8:6.8.9.9-7ubuntu5.16+esm2 | < 8:6.9.7.4+dfsg-16ubuntu6.14 | < 8:6.9.10.23+dfsg-2.1ubuntu11.9 | < 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1+esm1

3 vendors · 4 products

References

12 links
Show all 12 references