CVE-2021-20176: debian debian_linux Divide By Zero
CVSS: 5.5v3.1MediumModified
AliasesSUSE-SU-2021:3996-1UBUNTU-CVE-2021-20176DEBIAN-CVE-2021-20176openSUSE-SU-2021:1583-1openSUSE-SU-2021:3996-1
Published 05-02-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-20176 is a medium (CVSS 5.5) Divide By Zero vulnerability in debian debian_linux. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.7% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.92%
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 7 · Duplicates 1 · Related 5Timeline
- 05-02-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A divide-by-zero flaw was found in ImageMagick 6.9.11-57 and 7.0.10-57 in gem.c. This flaw allows an attacker who submits a crafted file that is processed by ImageMagick to trigger undefined behavior through a division by zero. The highest threat from this vulnerability is to system availability.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.92%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
0.00 pp
From 0.92% on 18-09-2026
18-09-202618-10-2026
EPSS score0.92%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse4 products
- ImageMagick&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP2< 7.0.7.34-10.18.1
- ImageMagick&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP3< 7.0.7.34-10.18.1
- ImageMagick&distro=SUSE Linux Enterprise Module for Development Tools 15 SP2< 7.0.7.34-10.18.1
- ImageMagick&distro=SUSE Linux Enterprise Module for Development Tools 15 SP3< 7.0.7.34-10.18.1
Debian2 products
- imagemagick< 8:6.9.11.57+dfsg-1
- debian_linuxEOL9.0
Opensuse2 products
- ImageMagick&distro=openSUSE Leap 15.2< 7.0.7.34-lp152.12.18.1
- ImageMagick&distro=openSUSE Leap 15.3< 7.0.7.34-10.18.1
Imagemagick1 product
- imagemagick< 6.9.11-57 | ≥ 7.0.0-0, < 7.0.10-56
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-16ubuntu6.11 | < 8:6.9.10.23+dfsg-2.1ubuntu11.4
5 vendors · 10 products
References
14 links- bugzilla.redhat.com/show_bug.cgi?id=1916610Issue Tracking
Show all 14 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory