CVE-2026-4756

#include <stdio.h> #include <stdlib.h> // Conceptual PoC for Out-of-bounds Write vulnerability // This simulates the trigger condition in ImageMagick7 before 7.1.2-11 // Disclaimer: For educational purposes only. void trigger_vulnerability(char* input_data, int size) { char buffer[128]; // Simulate lack of bounds checking leading to overflow // In the real vulnerability, image parsing logic fails here for(int i = 0; i < size; i++) { buffer[i] = input_data[i]; // OOB Write if size > 128 } } int main() { // Crafting malicious input larger than buffer size char malicious_data[256]; for(int i=0; i<256; i++) malicious_data[i] = 'A'; printf("Attempting to trigger CVE-2026-4756...\n"); trigger_vulnerability(malicious_data, 256); return 0; }

{"cve": {"id": "CVE-2026-4756", "sourceIdentifier": "[email protected]", "published": "2026-03-24T07:16:07.650", "lastModified": "2026-03-26T18:57:25.300", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Out-of-bounds Write vulnerability in MolotovCherry Android-ImageMagick7.This issue affects Android-ImageMagick7: before 7.1.2-11."}, {"lang": "es", "value": "Vulnerabilidad de escritura fuera de límites en MolotovCherry Android-ImageMagick7. Este problema afecta a Android-ImageMagick7: anterior a 7.1.2-11."}], "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:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-787"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:molotovcherry:android-imagemagick7:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.1.2-11", "matchCriteriaId": "CD4FC35B-5E60-42CC-87A5-71FF393A6EAB"}]}]}], "references": [{"url": "https://github.com/MolotovCherry/Android-ImageMagick7/pull/194", "source": "[email protected]", "tags": ["Issue Tracking"]}]}}