92 matches found
CVE-2026-5740
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to properly validate msgpack-encoded WebSocket frames before memory allocation which allows an unauthenticated remote attacker to crash the server process and cause a full service outage for all users v...
CVE-2026-44545
CVE-2026-44545 affects daphne prior to 4.2.2, where maxFramePayloadSize and maxMessagePayloadSize were not passed to Autobahn’s WebSocketServerFactory. Autobahn defaults these values to 0 (unlimited), enabling an unauthenticated remote attacker to send arbitrarily large WebSocket messages or fram...
Linux Distros Unpatched Vulnerability : CVE-2026-44545
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - daphne before 4.2.2 did not pass maxFramePayloadSize or maxMessagePayloadSize to Autobahn's WebSocketServerFactory. Because Autobahn defaults both values to 0...
PT-2026-44889
XX-Net V5.16.6 contains a WebSocket frame parsing vulnerability in the WebSocket receive worker routine of simple http server.py that allows attackers to cause corrupted application data by sending unmasked WebSocket frames. The server unconditionally reads 4 bytes as a masking key regardless of...
CVE-2026-42437
OpenClaw versions 2026.4.9 before 2026.4.10 contain a denial of service vulnerability in the voice-call realtime WebSocket path that accepts oversized frames without proper validation. Remote attackers can send oversized WebSocket frames to cause service unavailability for deployments exposing th...
CVE-2026-5740
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to properly validate msgpack-encoded WebSocket frames before memory allocation which allows an unauthenticated remote attacker to crash the server process and cause a full service outage for all users v...
CVE-2026-5740
Mattermost CVE-2026-5740 is an unauthenticated denial-of-service issue affecting Mattermost Server versions 11.6.x up to 11.6.0, 11.5.x up to 11.5.3, 11.4.x up to 11.4.4, and 10.11.x up to 10.11.14. The root cause is improper validation of msgpack-encoded WebSocket frames before memory allocation...
CVE-2026-5740 Unauthenticated WebSocket binary frame causes denial of service in Mattermost Server
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to properly validate msgpack-encoded WebSocket frames before memory allocation which allows an unauthenticated remote attacker to crash the server process and cause a full service outage for all users v...
CVE-2026-5740
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to properly validate msgpack-encoded WebSocket frames before memory allocation which allows an unauthenticated remote attacker to crash the server process and cause a full service outage for all users v...
EUVD-2026-31426
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to properly validate msgpack-encoded WebSocket frames before memory allocation which allows an unauthenticated remote attacker to crash the server process and cause a full service outage for all users v...
PT-2026-42750
Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to properly validate msgpack-encoded WebSocket frames before memory allocation which allows an unauthenticated remote attacker to crash the server process and cause a full service outage for all users v...
Mattermost 安全漏洞
Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in versions of Mattermost 11.6.0 and earlier 11.6.x series, as well as versions prior to 11.5.3 11.5.x series, 11.4.4 and earlier 11.4.x series, and 10.11.14 and earlier 10.11.x...
Astra Linux - уязвимость в libvncserver
It was discovered that the websockets.c file in LibVNCServer prior to version 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, resulting in a heap-based buffer overflow...
Allocation of Resources Without Limits or Throttling
Overview @openclaw/voice-call is an OpenClaw voice-call plugin Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the voice-call realtime WebSocket path when oversized WebSocket frames are accepted without proper validation. An attacker ca...
Allocation of Resources Without Limits or Throttling
Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the voice-call realtime WebSocket path when oversized WebSocket frames are accepted without proper validation. An attacker can cau...
CVE-2026-42437
OpenClaw versions 2026.4.9 before 2026.4.10 contain a denial of service vulnerability in the voice-call realtime WebSocket path that accepts oversized frames without proper validation. Remote attackers can send oversized WebSocket frames to cause service unavailability for deployments exposing th...
EUVD-2026-27257
OpenClaw versions 2026.4.9 before 2026.4.10 contain a denial of service vulnerability in the voice-call realtime WebSocket path that accepts oversized frames without proper validation. Remote attackers can send oversized WebSocket frames to cause service unavailability for deployments exposing th...
CVE-2026-42437
OpenClaw versions 2026.4.9 before 2026.4.10 contain a denial of service vulnerability in the voice-call realtime WebSocket path that accepts oversized frames without proper validation. Remote attackers can send oversized WebSocket frames to cause service unavailability for deployments exposing th...
CVE-2026-42437
Technical details are not publicly available in the provided documents. Monitor for updates.
CVE-2026-42437 OpenClaw 2026.4.9 < 2026.4.10 - Denial of Service via Oversized WebSocket Frames in Voice-call Realtime Path
OpenClaw versions 2026.4.9 before 2026.4.10 contain a denial of service vulnerability in the voice-call realtime WebSocket path that accepts oversized frames without proper validation. Remote attackers can send oversized WebSocket frames to cause service unavailability for deployments exposing th...