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.
Published: 2022-10-06
Score: 7.5 High
EPSS: 2.5% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-5243-1 lighttpd security update
EUVD EUVD EUVD-2022-44748 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.
Ubuntu USN Ubuntu USN USN-5903-1 lighttpd vulnerabilities
History

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Subscriptions

Fedoraproject Fedora
Lighttpd Lighttpd
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T12:42:46.654Z

Reserved: 2022-09-26T00:00:00.000Z

Link: CVE-2022-41556

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2022-10-06T18:17:03.620

Modified: 2024-11-21T07:23:23.323

Link: CVE-2022-41556

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses