CVE-2026-40183
mediumpriority · track · 22EPSS 0.002 · 8 %ileDEEUUSEPSS · scored 2026-10-28
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (27)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1075ImageMagick: Mehrere SchwachstellenDeutsch2026-04-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in ImageMagick ausnutzen, um einen Denial of Service Angriff durchzuführen oder andere, nicht näher spezifizierte Auswirkungen zu erreichen.
- GHSA-jvgr-9ph5-m8v4ImageMagick has a heap buffer overflow when encoding JXL image with a 16-bit float2026-04-14ghsa · osvUS
The JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2026-40183cnnvd
- https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19cnnvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4cnnvd
- https://github.com/dlemstra/Magick.NET/releases/Patchcnnvd
- https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0cnnvd
- https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19enisa_euvd
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-jvgr-9ph5-m8v4enisa_euvd
- https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0enisa_euvd
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