CVE-2026-28493 PUBLISHED

ImageMagick has a Integer Overflow leading to out of bounds write in SIXEL decoder

Assigner: GitHub_M
Reserved: 27.02.2026 Published: 09.03.2026 Updated: 09.03.2026

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, an integer overflow vulnerability exists in the SIXEL decoer. The vulnerability allows an attacker to perform an out of bounds via a specially crafted image. This vulnerability is fixed in 7.1.2-16.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
CVSS Score: 6.5

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

CVSS 3.1

Product Status

Vendor	ImageMagick
Product	ImageMagick
Versions	Version < 7.1.2-16 is affected

References

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r39q-jr8h-gcq2

Problem Types

CWE-190: Integer Overflow or Wraparound CWE