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Vulnerability record · CVE-2026-27798 · published 26 February 2026

CVE-2026-27798: Imagemagick out-of-bounds read vulnerability

Imagemagick · Imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

7.1 CVSS 3.1 High EPSS 0.20% · top 90.7% CWE-125 · Out-of-bounds readCWE-126 · CWE-126
7.1CVSS 3.1 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability occurs when processing an image with small dimension using the `-wavelet-denoise` operator. Versions 7.1.2-15 and 6.9.13-40 contain a patch.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ImageMagick/ImageMagick/commit/0377e60b3c0d766bd7271221c95d9ee54f6a3738 Patch
https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-qpgx-jfcq-r59f Vendor Advisory
https://github.com/dlemstra/Magick.NET/releases/tag/14.10.3 ProductRelease Notes

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.4CVE-2016-3714ImageMagick coders allow command execution via crafted imageImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 fail to validate input in multiple coders (EPHEMERAL, HTTPS, MVG, MSL, TEXT, SHOW, WIN, PLT), allo…KEVEPSS 97%analysed5.5CVE-2016-3718ImageMagick HTTP/FTP coders allow server-side request forgery via crafted imageImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 mishandles the HTTP and FTP coders, letting a crafted image trigger server-side request forgery. A…KEVEPSS 77%analysed5.5CVE-2016-3715ImageMagick EPHEMERAL coder allows arbitrary file deletionThe EPHEMERAL coder in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 lets a crafted image cause deletion of arbitrary files. This is part of the…KEVEPSS 75%analysed10.0CVE-2004-0981Imagemagick vulnerabilityBuffer overflow in the EXIF parsing routine in ImageMagick before 6.1.0 allows remote attackers to execute arbitrary code via a certain image file.EPSS 5.8%9.8CVE-2026-25971Imagemagick out-of-bounds write vulnerabilityImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, Magick fails…EPSS 0.37%9.8CVE-2026-25983Imagemagick use after free vulnerabilityImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a crafted MS…EPSS 0.52%9.8CVE-2026-25986Imagemagick out-of-bounds write vulnerabilityImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffe…EPSS 0.51%9.8CVE-2026-25968Imagemagick stack-based buffer overflow vulnerabilityImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a stack buff…EPSS 0.47%

Source: NIST National Vulnerability Database (record CVE-2026-27798), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.