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lighttpd: could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients (CVE-2022-41556)

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lighttpd: could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients (CVE-2022-41556)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
10/06/2022
Created
09/24/2024
Added
09/19/2024
Modified
09/20/2024

Description

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.

Solution(s)

  • http-lighttpd-upgrade-latest

References

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