EUVD-2026-43186
GHSA-84mh-5fq7-7fx5
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 (AV:N), but AC:H reflects CVSS 4.0 AT:P precondition; impact is availability-only (crash) with no C/I impact per scored data.
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
2DescriptionCVE.org
ImageMagick before 7.1.2-26 contains a heap use-after-free vulnerability caused by missing null check when parsing XMP profiles. Attackers can craft malicious image files with specially crafted XMP data to trigger the vulnerability and cause application crashes.
AnalysisAI
Heap use-after-free in ImageMagick before 7.1.2-26 allows unauthenticated remote attackers to crash applications processing attacker-supplied image files by embedding specially crafted XMP profile data. The root cause is a missing null check (CWE-252) during XMP metadata parsing, which triggers invalid memory access and results in a denial-of-service condition. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the target application passes attacker-controlled image files to a vulnerable version of ImageMagick (before 7.1.2-26) with XMP profile parsing active, which is the default behavior when processing common image formats. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N) scores 6.3, reflecting network reachability but constrained by high attack complexity (AC:H) and a specific attack precondition (AT:P), suggesting exploitation is not trivially repeatable. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts an image file embedding maliciously structured XMP profile data designed to trigger the null-pointer dereference in ImageMagick's XMP parser and submits it to a web application that processes user-supplied images server-side (e.g., a file upload endpoint, avatar processor, or thumbnail generator). ImageMagick parses the XMP segment, fails to null-check a returned heap pointer, and dereferences freed or invalid memory, causing the image-processing process to crash. … |
| Remediation | Upgrade ImageMagick to version 7.1.2-26 or later, which addresses the missing null check in XMP profile parsing. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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