CVE-2026-93567 Io.netty/netty-codec-http2: http/1 authority-form connect is translated to malformed http/2 connect with host-controlled :authority

A flaw was found in Netty's HTTP/2 codec. When converting HTTP/1 CONNECT requests to HTTP/2, the component incorrectly uses the Host header instead of the CONNECT authority-form request-target for the tunnel authority. A remote attacker can exploit this by supplying a different Host header, leadi...

CVE-2026-93567

A flaw was found in Netty's HTTP/2 codec. When converting HTTP/1 CONNECT requests to HTTP/2, the component incorrectly uses the Host header instead of the CONNECT authority-form request-target for the tunnel authority. A remote attacker can exploit this by supplying a different Host header, leadi...

EUVD-2025-210649

In sol commit 373d848 2024-12-12, the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK...

CVE-2025-63235

In sol commit 373d848 2024-12-12, the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK...

CVE-2025-63235

The sol broker (specifically in commit 373d848) fails to fully release resources when handling malformed or duplicate CONNECT packets . When clients send invalid packets—due to failed authentication or repeated attempts—the server may drop the connection or send a CONNACK without deallocating int...

CVE-2026-47275

In nanomq versions 0.24.11 and earlier, a NULL pointer dereference in nnimqttv5msgdecodeconnect allows a malicious MQTT broker to crash any connecting NanoMQ MQTTv5 client including bridge mode with a single packet, causing remote denial of service via SIGSEGV. In nnimqttv5msgdecodeconnect...

EUVD-2008-2741

Skulltag 0.97d2-RC2 and earlier allows remote attackers to cause a denial of service daemon hang via a series of long, malformed connect packets, related to these packets being "parsed multiple times."...

CVE-2008-2748

Skulltag 0.97d2-RC2 and earlier allows remote attackers to cause a denial of service daemon hang via a series of long, malformed connect packets, related to these packets being "parsed multiple times."...