{"id":"CVE-2022-41556","state":"PUBLISHED","title":"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 c","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.","publishedAt":"2022-10-06T00:00:00.000Z","updatedAt":"2024-08-03T12:42:46.654Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://git.lighttpd.net/lighttpd/lighttpd1.4/commit/b18de6f9264f914f7bf493abd3b6059343548e50","https://github.com/lighttpd/lighttpd1.4/pull/115","https://github.com/lighttpd/lighttpd1.4/compare/lighttpd-1.4.66...lighttpd-1.4.67","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OVOSBSCMLGCHH2Z74H64ZWVDFJFQTBC2/","https://security.gentoo.org/glsa/202210-12"],"weaknesses":[],"ingestedAt":"2026-10-29T19:50:37.819Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/41xxx/CVE-2022-41556.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-41556","state":"PUBLISHED","datePublished":"2022-10-06T00:00:00.000Z","dateUpdated":"2024-08-03T12:42:46.654Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2022-09-26T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://git.lighttpd.net/lighttpd/lighttpd1.4/commit/b18de6f9264f914f7bf493abd3b6059343548e50"},{"url":"https://github.com/lighttpd/lighttpd1.4/pull/115"},{"url":"https://github.com/lighttpd/lighttpd1.4/compare/lighttpd-1.4.66...lighttpd-1.4.67"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OVOSBSCMLGCHH2Z74H64ZWVDFJFQTBC2/","name":"FEDORA-2022-c26b19568d","tags":["vendor-advisory"]},{"url":"https://security.gentoo.org/glsa/202210-12","name":"GLSA-202210-12","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2022-10-31T00:00:00.000Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.lighttpd.net/lighttpd/lighttpd1.4/commit/b18de6f9264f914f7bf493abd3b6059343548e50","tags":["x_transferred"]},{"url":"https://github.com/lighttpd/lighttpd1.4/pull/115","tags":["x_transferred"]},{"url":"https://github.com/lighttpd/lighttpd1.4/compare/lighttpd-1.4.66...lighttpd-1.4.67","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OVOSBSCMLGCHH2Z74H64ZWVDFJFQTBC2/","name":"FEDORA-2022-c26b19568d","tags":["vendor-advisory","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202210-12","name":"GLSA-202210-12","tags":["vendor-advisory","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T12:42:46.654Z"}}]}}}