CVE-2026-34238
ImageMagick: Magick.NET: ImageMagick: Denial of Service via integer overflow in despeckle operation
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 14, 2026
Updated · August 18, 2026
Description
A flaw was found in ImageMagick, a widely used software for image editing. Specifically, an integer overflow occurs during the despeckle operation, which can lead to a heap buffer overflow on 32-bit systems. This vulnerability allows an attacker to cause an out-of-bounds write, potentially resulting in a denial of service (DoS) by making the application crash or become unresponsive.
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
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 5CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
CWE-190 · Integer Overflow or Wraparound