Home/CVE/A flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of
CVE

CVE-2021-20309

A flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of

A flaw was found in ImageMagick in versions before 7.0.11 and before 6.9.12, where a division by zero in WaveImage() of MagickCore/visual-effects.c may trigger undefined behavior via a crafted image file submitted to an application using ImageMagick. The highest threat from this vulnerability is to system availability.

HIGH · CVSS 7.5 EPSS 0.0024
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-369Divide By Zero
▤

Affected Products & Versions

3
imagemagick< 6.9.12
imagemagick>= 7.0.0-0 and < 7.0.11-0
debian linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 May 2021 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

8
suse-csafSUSE-SU-2023:4634-1
usnUSN-6200-1
usnUSN-5736-2
usnUSN-5736-1
usnUSN-5158-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1946722Issue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00000.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00020.html
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