WGSA-2024-00005#
lighttpd denial of service vulnerability (CVE-2022-41556)
Summary #
A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is related to RDHUP mishandling in certain HTTP/1.1 chunked situations. Use of mod_fastcgi is, for example, affected. This is fixed in 1.4.67.
No WatchGuard products are affected by this vulnerability
CVE identifiers #
| CVE ID | Description | CVSS |
|---|---|---|
| CVE-2022-41556 | A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is related to RDHUP mishandling in certain HTTP/1.1 chunked situations. Use of mod_fastcgi is, for example, affected. This is fixed in 1.4.67. | — |
Product status #
| Product | Affected | Not affected |
|---|
Solution #
No solution has been published for this advisory.