Bug 2442879 (CVE-2026-27799)

Summary: CVE-2026-27799 ImageMagick: ImageMagick: Denial of Service and data corruption due to crafted DJVU image processing
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: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in ImageMagick, a software suite used for editing and manipulating digital images. This vulnerability, a heap buffer over-read, exists within the component that handles DJVU image files. A local attacker could exploit this by processing a specially crafted DJVU image, leading to an error where the software miscalculates memory allocation due to an integer truncation. This causes the software to attempt to read memory outside its designated boundaries, which can result in a denial of service or potentially corrupt data.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2442950, 2442951    
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Description OSIDB Bzimport 2026-02-26 00:02:11 UTC
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, a heap buffer over-read vulnerability exists in the DJVU image format handler. The vulnerability occurs due to integer truncation when calculating the stride (row size) for pixel buffer allocation. The stride calculation overflows a 32-bit signed integer, resulting in an out-of-bounds memory reads. Versions 7.1.2-15 and 6.9.13-40 contain a patch.