HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | httpd24 | 2024-04-25 16:04 | ALAS-2024-1931 |
Amazon Linux 2 - Core | mod_http2 | 2024-04-24 22:15 | ALAS2-2024-2524 |
Amazon Linux 2023 | mod_http2 | 2024-04-25 16:39 | ALAS2023-2024-595 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |