Review reviewHigh

CVE-2026-25794

ImageMagick ImageMagick, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7

ImageMagick is free and open-source software used for editing and manipulating digital images. `WriteUHDRImage` in `coders/uhdr.c` uses `int` arithmetic to compute the pixel buffer size. Prior to version 7.1.2-15, when image dimensions are large, the multiplication overflows 32-bit `int`, causing an undersized heap allocation followed by an out-of-bounds write. This can crash the process or potentially lead to an out of bounds heap write. Version 7.1.2-15 contains a patch.

CVSS: 8.2
EPSS: 0.42%
CISA KEV: Not listed
Published: 2026.02.24

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.42%

Technical severityCVSS 8.2

Vulnerability overview

Affected product and versions

Product: ImageMagick ImageMagick, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
Affected versions: >= < 7.1.2-15, < 7.1.2-15
Fixed versions: 7.1.2-15

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that ImageMagick ImageMagick, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CWE: CWE-122, CWE-190