CWE-401
Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.
We have discovered 1,275,562 live websites that are affected by CWE-401.
CVEs
- Count - 4
CWE References
Website Distribution by Country
Number of websites using CWE-401 United States | 352,678 websites |
 Germany | 180,605 websites |
 France | 84,986 websites |
 Netherlands | 57,036 websites |
 Italy | 44,953 websites |
 Russia | 39,131 websites |
 Czech Republic | 39,111 websites |
 Japan | 37,457 websites |
 GB | 37,062 websites |
 Canada | 35,690 websites |
Website Distribution by TLD
Number of websites using CWE-401| .com | 430,065 websites |
| .de | 105,116 websites |
| .org | 65,580 websites |
| .net | 49,928 websites |
| .nl | 44,098 websites |
| .it | 39,936 websites |
| .ru | 34,738 websites |
| .cz | 32,832 websites |
| .fr | 28,110 websites |
| .pl | 26,813 websites |
Newest CVEs
List of the most recent CVEs that are part of CWE-401| Discovered | CVE | Description | Websites |
|---|---|---|---|
| Sep, 2025 | CVE-2025-43816 | A memory leak in the headless API for StructuredContents in Liferay Portal 7.4.0 through 7.4.3.119, ... | 72 |
| Jul, 2025 | CVE-2025-53020 | Apache HTTP Server: HTTP/2 DoS by Memory Increase | 1,275,449 |
| Feb, 2022 | CVE-2022-23578 | Memory leak in Tensorflow | 58 |
| Feb, 2022 | CVE-2022-23585 | Memory leak in decoding PNG images in Tensorflow | 58 |
The most widespread CVEs
List of the most common CVEs that are part of CWE-401| Discovered | CVE | Description | Websites |
|---|---|---|---|
| Jul, 2025 | CVE-2025-53020 | Apache HTTP Server: HTTP/2 DoS by Memory Increase | 1,275,449 |
| Sep, 2025 | CVE-2025-43816 | A memory leak in the headless API for StructuredContents in Liferay Portal 7.4.0 through 7.4.3.119, ... | 72 |
| Feb, 2022 | CVE-2022-23578 | Memory leak in Tensorflow | 58 |
| Feb, 2022 | CVE-2022-23585 | Memory leak in decoding PNG images in Tensorflow | 58 |
Websites affected by CWE-401
Top websites that are affected by CWE-401. Please click on the "Contact us" link to get more information.| Domain | Country | Rank | Contacts |
|---|---|---|---|
| *******.com |  Singapore | *** | |
| *************.***.****.****.************.net | United States | *** | |
| *********.net | United States | *** | |
| *****.cz | Czech Republic | *,*** | |
| ***.****.us | United States | *,*** | |
| ***.*********.com | Singapore | *,*** | |
| *****.*******.com | Singapore | *,*** | |
| ******.net |  Sweden | *,*** | |
| ****.*********.net | GB | *,*** | |
| ***********.de | Germany | *,*** |