CVE-2026-90668 - UnrealIRCd HTTP Header Denial of Service
CVE ID :CVE-2026-90668
Published : Sept. 13, 2026, 2:17 a.m. | 2 hours, 50 minutes ago
Description :The webserver in UnrealIRCd 6.0.5 through 6.2.6 before 6.2.7 does not limit the number of HTTP request headers, which allows remote attackers to cause a denial of service (memory consumption and unresponsive server) via an HTTP request with an unlimited number of headers, if a websocket or JSON-RPC listener is enabled (disabled by default).
Severity: 8.7 | HIGH
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Published : Sept. 13, 2026, 2:17 a.m. | 2 hours, 50 minutes ago
Description :The webserver in UnrealIRCd 6.0.5 through 6.2.6 before 6.2.7 does not limit the number of HTTP request headers, which allows remote attackers to cause a denial of service (memory consumption and unresponsive server) via an HTTP request with an unlimited number of headers, if a websocket or JSON-RPC listener is enabled (disabled by default).
Severity: 8.7 | HIGH
Visit the link for more details, such as CVSS details, affected products, timeline, and more...