Home/CVE/An integer overflow issue was discovered in ImageMagick's ExportIndexQuantum() function in MagickCore/quantum-export.c.
CVE

CVE-2021-20224

An integer overflow issue was discovered in ImageMagick's ExportIndexQuantum() function in MagickCore/quantum-export.c.

An integer overflow issue was discovered in ImageMagick's ExportIndexQuantum() function in MagickCore/quantum-export.c. Function calls to GetPixelIndex() could result in values outside the range of representable for the 'unsigned char'. When ImageMagick processes a crafted pdf file, this could lead to an undefined behaviour or a crash.

MEDIUM · CVSS 5.5 EPSS 0.00033
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-190Integer Overflow or Wraparound
CWE-190Integer Overflow or Wraparound
▤

Affected Products & Versions

2
imagemagick< 6.9.11-57
imagemagick>= 7.0.0-0 and < 7.0.10-57
▣

Scoring & Timeline

5.5
MEDIUM · 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 NVD25 Aug 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

6
suse-csafSUSE-SU-2023:4634-1
usnUSN-6200-1
usnUSN-5736-2
usnUSN-5736-1
suse-csafSUSE-SU-2022:3138-1
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ImageMagick/ImageMagick/commit/5af1dffa4b6ab984b5f13d1e91c95760d75f12a6PatchThird Party Advisory
https://github.com/ImageMagick/ImageMagick/pull/3083Issue TrackingPatchThird Party Advisory
https://github.com/ImageMagick/ImageMagick6/commit/553054c1cb1e4e05ec86237afef76a32cd7c464dPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00008.html
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