CVE-2026-25794ImageMagick is free and open-source software used for editing and manipulating digital images.
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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 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Weakness (CWE)
- CWE-122, CWE-190
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
imagemagick imagemagick imagemagick:imagemagick | before 7.1.2-15 | NVD |
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-vhqj-f5cj-9x8hvendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-25794
- https://bugzilla.redhat.com/show_bug.cgi?id=2442110
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25794.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.