CVE-2026-56367
Magick.NET-Q16-AnyCPU: Magick.NET-Q16-HDRI-AnyCPU: Magick.NET-Q16-HDRI-OpenMP-arm64: Magick.NET-Q16-HDRI-OpenMP-x64: Magick.NET-Q16-HDRI-arm64: Magick.NET-Q16-HDRI-x64: Magick.NET-Q16-HDRI-x86: Magick.NET-Q16-OpenMP-arm64: Magick.NET-Q16-OpenMP-x64: Magick.NET-Q16-OpenMP-x86: Magick.NET-Q16-arm64: Magick.NET-Q16-x64: Magick.NET-Q16-x86: Magick.NET-Q8-AnyCPU: Magick.NET-Q8-OpenMP-arm64: Magick.NET-Q8-OpenMP-x64: Magick.NET-Q8-arm64: Magick.NET-Q8-x64: Magick.NET-Q8-x86: ImageMagick: Information Disclosure via Crafted PSB File
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · June 21, 2026
Updated · August 18, 2026
Description
A vulnerability in the ImageMagick image processing tool could allow an attacker to crash the application or access sensitive information by uploading a maliciously crafted Photoshop (PSB) file.
Statement
A vulnerability in ImageMagick allows attackers to crash the application or expose sensitive data by uploading a corrupted Photoshop (PSB) file. If your system does not process untrusted PSB files, you are not impacted.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
To reduce the risk, avoid processing untrusted PSB (Photoshop Big) files with ImageMagick. Implement strict input validation for any applications that use ImageMagick to process user-supplied image files. Additionally, consider sandboxing ImageMagick processes to limit potential impact from successful exploitation.
CVSS / CWE
CVSS 3.1 · 4.2CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L
CWE-190 · Integer Overflow or Wraparound