curl: Buffer Overflow in WebSocket Handshake (lib/ws.c:1287)

Summary: Buffer overflow vulnerability in curl's WebSocket implementation due to unsafe use of strcpy in the handshake process. The vulnerability is located at lib/ws.c:1287 where strcpykeyval, randstr is called without proper bounds checking, despite having a bounds check earlier in the code. AI...

EUVD-2025-35045

Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that handles LWSCALLBACKHTTPCONFIRMUPGRADE, to achieve denial of service...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free via the lwshandshakeserver function when a user-provided callback handles LWSCALLBACKHTTPCONFIRMUPGRADE. An attacker can cause a crash or disrupt service by triggering the callback under specific conditions. Note: This is...

CVE-2025-11677

Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that handles LWSCALLBACKHTTPCONFIRMUPGRADE, to achieve denial of service...

CVE-2025-11677

Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that handles LWSCALLBACKHTTPCONFIRMUPGRADE, to achieve denial of service...

CVE-2025-11677

CVE-2025-11677 is a Use After Free in the warmcat libwebsockets WebSocket server (lws_handshake_server). The vulnerability triggers in configurations where a user-supplied callback handles LWS_CALLBACK_HTTP_CONFIRM_UPGRADE, potentially allowing a denial-of-service. Public advisories reference aff...

PT-2025-42759

Name of the Vulnerable Software and Affected Versions libwebsockets affected versions not specified Description A use-after-free issue exists in the WebSocket server implementation within the lws handshake server function of libwebsockets. This can lead to a denial of service if an attacker...

CVE-2025-59530

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...

Linux Distros Unpatched Vulnerability : CVE-2025-59530

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a...

quic-go: Panic occurs when queuing undecryptable packets after handshake completion

Summary A misbehaving or malicious server can trigger an assertion in a quic-go client and crash the process by sending a premature HANDSHAKEDONE frame during the handshake. Impact A misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an...

EUVD-2025-33746

quic-go: Panic occurs when queuing undecryptable packets after handshake completion...

GHSA-47M2-4CR7-MHCW quic-go: Panic occurs when queuing undecryptable packets after handshake completion

Summary A misbehaving or malicious server can trigger an assertion in a quic-go client and crash the process by sending a premature HANDSHAKEDONE frame during the handshake. Impact A misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an...

Reachable Assertion

Overview Affected versions of this package are vulnerable to Reachable Assertion in the handshake phase. An attacker can cause the client to crash by sending a premature HANDSHAKEDONE frame. Remediation Upgrade github.com/quic-go/quic-go to version 0.49.1, 0.54.1 or higher. References - GitHub PR...

CVE-2025-59530

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...

AZL-68778 CVE-2025-59530 affecting package coredns for versions less than 1.11.4-11

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...

AZL-68781 CVE-2025-59530 affecting package coredns for versions less than 1.11.1-24

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...

DEBIAN-CVE-2025-59530

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...

UBUNTU-CVE-2025-59530

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...

CVE-2025-59530 quic-go has Client Crash Due to Premature HANDSHAKE_DONE Frame

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...

CVE-2025-59530 quic-go has Client Crash Due to Premature HANDSHAKE_DONE Frame

quic-go is an implementation of the QUIC protocol in Go. In versions prior to 0.49.0, 0.54.1, and 0.55.0, a misbehaving or malicious server can cause a denial-of-service DoS attack on the quic-go client by triggering an assertion failure, leading to a process crash. This requires no authenticatio...