EUVD-2026-44618
GHSA-3vp3-xrm3-4fv5
Severity by source
CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Local vector with high complexity to trigger malloc failure; no privileges needed to submit image input; availability-only, low-severity impact with no scope change.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
ImageMagick before 7.1.2-26 and 6.9.13-51 contains a memory leak in the MIFF encoder that occurs when a memory allocation fails during MIFF image processing, which can lead to denial of service.
AnalysisAI
Memory leak in ImageMagick's MIFF encoder (CWE-401) affects the 7.x branch before 7.1.2-26 and the 6.x branch before 6.9.13-51, enabling denial of service through resource exhaustion. When a memory allocation fails during MIFF image encoding, previously allocated buffers are not released, causing memory to accumulate across repeated processing calls. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local access (AV:L) to a host running a vulnerable ImageMagick version and the ability to supply MIFF image input to the encoder. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N) scores 2.1 - firmly in the informational-to-low tier. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with local access to a system running a vulnerable ImageMagick version repeatedly submits MIFF-format images while the system is under memory pressure, causing allocation failures inside the MIFF encoder that leave heap memory unreleased. Over many such iterations, the ImageMagick process or a wrapper service consuming it exhausts available memory, resulting in a crash or unresponsiveness. … |
| Remediation | Upgrade to ImageMagick 7.1.2-26 or later on the 7.x branch, or to 6.9.13-51 or later on the 6.x branch; these are the vendor-confirmed fix versions per GHSA-r628-69v2-2f9c at https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-r628-69v2-2f9c. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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