CVE-2026-84784

Issue summary: A malicious remote peer may flood the local QUIC stack with NEWCONNECTIONID frames by avoiding a limit check on how many connection IDs the remote QUIC stack can use. Impact summary: The local QUIC stack sends a RETIRECONNID frame for every NEWCONNECTIONID frame it receives. The...

CVE-2026-84784

The OpenSSL QUIC stack is vulnerable to a Denial of Service (DoS) attack due to a flaw in how it handles connection identifier (CID) retirement. A malicious remote peer can flood the local stack with NEW_CONNECTION_ID frames while withholding acknowledgments. Because the stack incorrectly retires...

CVE-2026-84784 QUIC: Unbounded RETIRE_CONNECTION_ID Backlog

Issue summary: A malicious remote peer may flood the local QUIC stack with NEWCONNECTIONID frames by avoiding a limit check on how many connection IDs the remote QUIC stack can use. Impact summary: The local QUIC stack sends a RETIRECONNID frame for every NEWCONNECTIONID frame it receives. The...

EUVD-2026-89015

Issue summary: A malicious remote peer may flood the local QUIC stack with NEWCONNECTIONID frames by avoiding a limit check on how many connection IDs the remote QUIC stack can use. Impact summary: The local QUIC stack sends a RETIRECONNID frame for every NEWCONNECTIONID frame it receives. The...

CVE-2024-22189

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer to run out of memory sending a large number of NEWCONNECTIONID frames that retire old connection IDs. The receiver is supposed to respond to each retirement frame with a...

CVE-2024-22189

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer to run out of memory sending a large number of NEWCONNECTIONID frames that retire old connection IDs. The receiver is supposed to respond to each retirement frame with a...

CVE-2024-22189 QUIC's Connection ID Mechanism vulnerable to Memory Exhaustion Attack

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer to run out of memory sending a large number of NEWCONNECTIONID frames that retire old connection IDs. The receiver is supposed to respond to each retirement frame with a...

CVE-2024-22189

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer to run out of memory sending a large number of NEWCONNECTIONID frames that retire old connection IDs. The receiver is supposed to respond to each retirement frame with a...

CVE-2024-22189

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer to run out of memory sending a large number of NEWCONNECTIONID frames that retire old connection IDs. The receiver is supposed to respond to each retirement frame with a...

CVE-2024-22189 QUIC's Connection ID Mechanism vulnerable to Memory Exhaustion Attack

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer to run out of memory sending a large number of NEWCONNECTIONID frames that retire old connection IDs. The receiver is supposed to respond to each retirement frame with a...

CVE-2024-22189: Allocation of Resources Without Limits or Throttling

quic-go is an implementation of the QUIC protocol in Go. Prior to version 0.42.0, an attacker can cause its peer to run out of memory sending a large number of NEWCONNECTIONID frames that retire old connection IDs. The receiver is supposed to respond to each retirement frame with a...

GHSA-C33X-XQRF-C478 QUIC's Connection ID Mechanism vulnerable to Memory Exhaustion Attack

An attacker can cause its peer to run out of memory by sending a large number of NEWCONNECTIONID frames that retire old connection IDs. The receiver is supposed to respond to each retirement frame with a RETIRECONNECTIONID frame. The attacker can prevent the receiver from sending out the vast...

quiche vulnerable to unbounded storage of information related to connection ID retirement

Impact Cloudflare quiche was discovered to be vulnerable to unbounded storage of information related to connection ID retirement, which could lead to excessive resource consumption. Each QUIC connection possesses a set of connection Identifiers IDs; see RFC 9000 Section 5.1. Endpoints declare the...

CVE-2024-1410

Cloudflare quiche was discovered to be vulnerable to unbounded storage of information related to connection ID retirement, which could lead to excessive resource consumption. Each QUIC connection possesses a set of connection Identifiers IDs; see RFC 9000 Section 5.1...

Design/Logic Flaw

Cloudflare quiche was discovered to be vulnerable to unbounded storage of information related to connection ID retirement, which could lead to excessive resource consumption. Each QUIC connection possesses a set of connection Identifiers IDs; see RFC 9000 Section 5.1...

CVE-2024-1410 Unbounded storage of information related to connection ID retirement, in quiche

Cloudflare quiche was discovered to be vulnerable to unbounded storage of information related to connection ID retirement, which could lead to excessive resource consumption. Each QUIC connection possesses a set of connection Identifiers IDs; see RFC 9000 Section 5.1...

CVE-2024-1410 Unbounded storage of information related to connection ID retirement, in quiche

Cloudflare quiche was discovered to be vulnerable to unbounded storage of information related to connection ID retirement, which could lead to excessive resource consumption. Each QUIC connection possesses a set of connection Identifiers IDs; see RFC 9000 Section 5.1...

CVE-2024-1410: Uncontrolled Resource Consumption

Cloudflare quiche was discovered to be vulnerable to unbounded storage of information related to connection ID retirement, which could lead to excessive resource consumption. Each QUIC connection possesses a set of connection Identifiers IDs; see RFC 9000 Section 5.1...