CVE-2021-20244: debian debian_linux Divide By Zero
CVSS: 7.1v2.0HighModified
AliasesUBUNTU-CVE-2021-20244DEBIAN-CVE-2021-20244CGA-m7gw-4wcm-vrvcCGA-v69f-8mmj-vjpf
Published 09-03-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-20244 is a high (CVSS 7.1) Divide By Zero vulnerability in debian debian_linux. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 67.9% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v2.0 (NVD)EPSS score
1.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 11 · Related 9Timeline
- 09-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A flaw was found in ImageMagick in MagickCore/visual-effects.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
5 scores · 4 sources · 2 versionsMedium 5.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
High 7.1Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
1.21%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.21% on 19-09-2026
19-09-202619-10-2026
EPSS score1.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- imagemagick< 8:6.9.11.60+dfsg-1.5
- debian_linuxEOL9.0
Chainguard1 product
- imagemagick-6All versions (No fix recorded)
Fedoraproject1 product
- fedoraEOL33
Imagemagick1 product
- imagemagick< 7.0.10-62
Redhat1 product
- enterprise_linuxEOL6.0 | 7.0 | 8.0
Ubuntu1 product
- imagemagick< 8:6.7.7.10-6ubuntu3.13+esm1 | < 8:6.8.9.9-7ubuntu5.16+esm1 | < 8:6.9.7.4+dfsg-16ubuntu6.12 | < 8:6.9.10.23+dfsg-2.1ubuntu11.9 | < 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.1+esm1
6 vendors · 7 products
