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CVE-2026-40310 Details

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Versions below both 7.1.2-19 and 6.9.13-44, contain a heap out-of-bounds write in the JP2 encoder with when a user specifies an invalid sampling index. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0	[email protected]	Release Notes
https://github.com/ImageMagick/ImageMagick/commit/3d653bea2df085c728a1c8f775808e1e9249dff9	[email protected]	Patch
https://github.com/ImageMagick/ImageMagick/releases/tag/7.1.2-19	[email protected]	Release Notes
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-pwg5-6jfc-crvh	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-122	Heap-based Buffer Overflow	[email protected]
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
imagemagick imagemagick	< 6.9.13-44 >= 7.0.0-0, < 7.1.2-19
CPE cpe:2.3:a:imagemagick:imagemagick:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 17, 2026	Initial Analysis	[email protected]
Apr 13, 2026	New CVE Received	[email protected]