EUVD-2026-44617
GHSA-f6rf-qwcr-g39q
Severity by source
CVSS:4.0/AV:N/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
Network-reachable via image upload but high complexity to reliably trigger blob failure; no confidentiality or integrity impact, only gradual availability degradation.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/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.x before 6.9.13-51 contains a memory leak in the YUV decoder that occurs when opening of the blob fails. Repeated triggering can lead to resource exhaustion (denial of service).
AnalysisAI
Memory leak in ImageMagick's YUV decoder (versions before 7.1.2-26 and 6.9.x before 6.9.13-51) enables remote denial of service by repeatedly submitting malformed YUV images that trigger a failed blob open, leaking heap memory on each decode attempt. No confidentiality or integrity impact applies; exposure is limited to availability of image-processing services that accept untrusted input. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires submitting a YUV-encoded image specifically crafted to cause a blob open failure in ImageMagick's YUV decoder - the CVSS 4.0 metrics AC:H and AT:P indicate that reliably producing this failure condition likely requires specific malformation rather than trivially malformed input. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 6.3 (Medium) with AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L reflects the bounded nature of this vulnerability: while no credentials are required and the trigger is network-reachable via image uploads, exploitation requires high attack complexity and specific attack preconditions (AT:P) to reliably cause blob open failure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker targets a web application using a vulnerable ImageMagick version to process user-uploaded images. By submitting a high volume of specially crafted YUV-encoded files that cause blob open failures, the attacker causes the ImageMagick process to leak heap memory on each decode attempt. … |
| Remediation | The primary fix is to upgrade ImageMagick to version 7.1.2-26 or later for the 7.x branch, or to version 6.9.13-51 or later for the 6.9.x branch, as documented in the vendor advisory at https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-h7f2-f9cc-h2gv. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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