CVE-2026-46559CWE-193CWE-787

ImageMagick: Heap Buffer Over-Write of a single byte in the JP2 encoder

Medium · published June 10, 2026

CVSS v3.1
4.0
EPSS
0%
Percentile
4.2
In the wild
Unconfirmed
What it is

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, an incorrect check in the JP2 will result in an heap buffer over-write of a single byte when specifying certain options. This issue has been patched in versions 6.9.13-48 and 7.1.2-23.

The record
Technical detail
CVSS v3.1
4.0 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00154 · 4.2th percentile
Weaknesses
CWE-193 · Off-by-one Error; CWE-787 · Out-of-bounds Write
Published
2026-06-10T21:45Z
EPSS history
Timeline
  • 10 JUN 21:45Z
    ImageMagick: Heap Buffer Over-Write of a single byte in the JP2 encoder
    cvelistv5