| Package | Affected versions | Patched versions |
|---|---|---|
| http server | < 2.4.55 | 2.4.55 |
Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free