EUVD-2026-42888
GHSA-377p-xr9w-8773
Severity by source
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/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
File must be actively processed (UI:R); no privileges required to supply input; impact is availability-only and bounded (A:L), with no confidentiality or integrity exposure.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/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
2DescriptionCVE.org
ImageMagick before 7.1.2-18 contains a memory leak vulnerability in the META reader when processing APP1JPEG input paths. Attackers can trigger this memory leak by providing specially crafted APP1JPEG image files, causing denial of service through resource exhaustion.
AnalysisAI
Memory leak in ImageMagick's META reader (versions before 7.1.2-18) enables denial of service through resource exhaustion when processing specially crafted APP1JPEG image files. The flaw sits in the error-handling path of the META reader, meaning memory allocated during malformed APP1JPEG processing is never freed, allowing an attacker to repeatedly trigger the leak until the host process exhausts available memory. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The vulnerable code path is triggered specifically when ImageMagick's META reader processes an APP1JPEG image path and encounters an error condition - meaning the input must be a malformed JPEG file with an APP1JPEG segment that causes the error branch to execute. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:L/AC:L/AT:N/PR:N/UI:P/VA:L) scores 4.8 Medium. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker submits a batch of specially crafted JPEG images containing malformed APP1JPEG metadata segments to a public-facing image upload endpoint backed by ImageMagick. Each processing invocation leaks a fixed amount of memory without freeing it; by submitting images in rapid succession, the attacker causes the ImageMagick worker process - or the application server if they share memory space - to exhaust available RAM, resulting in failed image processing requests or a full service crash. |
| Remediation | Upgrade ImageMagick to version 7.1.2-18 or later, which resolves the memory management flaw in the META reader's APP1JPEG error path per vendor advisory GHSA-9r56-3gjq-hqf7 (https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-9r56-3gjq-hqf7). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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