CVE-2026-46520 PUBLISHED

ImageMagick: Heap Buffer Over-Write in IPL decoder when reading multiple images of different dimensions

Assigner: GitHub_M
Reserved: 14.05.2026 Published: 10.06.2026 Updated: 11.06.2026

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-23, when reading multiple images with different dimensions an out of bounds heap write can occur. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	ImageMagick
Product	ImageMagick
Versions	Version < 6.9.13-48 is affected Version < 7.1.2-23 is affected

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-36wm-hprc-mcf5

Problem Types

CWE-122: Heap-based Buffer Overflow CWE
CWE-787: Out-of-bounds Write CWE