CVE-2021-20224
mediumpriority · track · 22EPSS 0.004 · 33 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (35)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-1209ImageMagick: Mehrere Schwachstellen ermöglichen Denial of ServiceDeutsch2022-08-29csaf · cert_bundDE
Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstelle in ImageMagick ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (19)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2021-20224/cnnvd
- https://github.com/ImageMagick/ImageMagick/commit/5af1dffa4b6ab984b5f13d1e91c95760d75f12a6cnnvd
- https://github.com/ImageMagick/ImageMagick/pull/3083cnnvd
- https://github.com/ImageMagick/ImageMagick6/commit/553054c1cb1e4e05ec86237afef76a32cd7c464dcnnvd
- https://lists.debian.org/debian-lts-announce/2023/03/msg00008.htmlcnnvd
- https://packetstormsecurity.com/files/170007/Ubuntu-Security-Notice-USN-5736-1.htmlcnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.4455cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.6143cnnvd
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