Bug 2487759 (CVE-2026-48724)

Summary: CVE-2026-48724 ImageMagick: ImageMagick: Denial of Service via heap buffer overwrite in Floyd-Steinberg dithering
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: rhel-process-autobot, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in ImageMagick. When processing a specially crafted image that uses a mask with the Floyd-Steinberg dithering method, a negative heap buffer overwrite can occur. This vulnerability could allow an attacker to cause a denial of service (DoS) by crashing the application.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2487853, 2487854    
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Description OSIDB Bzimport 2026-06-10 23:01:45 UTC
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-24, when using an image with mask the Floyd-Steinberg dithering method it will cause a negative heap buffer over-write. This issue has been patched in version 7.1.2-24.