EUVD-2026-44612
GHSA-v799-gfw3-g83c
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 and high complexity required to trigger temp-file failure; no confidentiality or integrity impact, only minor availability from accumulated memory leak.
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.x before 6.9.13-51) contains a memory leak in the TIFF encoder that occurs when a temporary file cannot be created, resulting in a small memory leak.
AnalysisAI
ImageMagick's TIFF encoder leaks a small quantity of memory when a temporary file cannot be created during encoding operations, affecting versions 7.x before 7.1.2-26 and 6.x before 6.9.13-51. The CVSS 4.0 score of 2.1 and vector (AV:L/AC:H/AT:P) place this firmly in minimal-severity territory: exploitation is local, requires high complexity, and depends on a platform-specific precondition. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The memory leak occurs exclusively in the TIFF encoder's error-handling path and is triggered only when temporary file creation fails during encoding - requiring a local condition such as a full filesystem, an exhausted inode table, or a write-restricted temporary directory. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 2.1 with vector AV:L/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N accurately characterizes the risk as minimal. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A local user or automated process repeatedly submits TIFF encoding operations to an ImageMagick instance running in an environment where the temporary directory is full or write-restricted. Each failed temp-file creation leaks a small amount of memory; over many iterations, the accumulated leak could marginally degrade the process's memory footprint. … |
| 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. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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