CVE-2026-47073

CVE-2026-47073 affects hackney WebSocket client (src/hackney_ws.erl) causing unbounded memory growth via three paths: read_handshake_response/3 accumulates an unbounded buffer due to lack of size cap; parse_payload/9 and parse_active_payload/8 do not enforce a maximum frame payload length; and fr...

SUSE CVE-2025-39703

In the Linux kernel, the following vulnerability has been resolved: net, hsr: reject HSR frame if skb can't hold tag Receiving HSR frame with insufficient space to hold HSR tag in the skb can result in a crash kernel BUG: 45.390915 skbuff: skbunderpanic: text:ffffffff86f32cac len:26 put:14...

Denial Of Service (DoS)

OpenClaw is vulnerable to a Denial Of Service DoS. The vulnerability is due to improper validation of oversized frames in the voice-call realtime WebSocket path, which allows a remote attacker to send oversized WebSocket frames and cause service unavailability...

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 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 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...

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...

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...

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...

PT-2026-42750

Name of the Vulnerable Software and Affected Versions Mattermost version 11.6.0 Mattermost version 11.5.3 Mattermost version 11.4.4 Mattermost version 10.11.14 Description An issue exists where msgpack-encoded WebSocket frames are not properly validated before memory allocation. This allows an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath12k – Fixed deadlock during the flushing of management frames The commit 1 converted the management transmission work item into a wiphy work item. Since a wiphy work item can only run under wiphy lock protection, a race...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: fnic: Fixed a crash in fnicwqcmplhandler when FDMI times out. When both the RHBA and RPA FDMI requests time out, fnic reuses a frame to send ABTS for each of them. Upon completion of the sending process, this leads to a...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021644)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021644 advisory. In the Linux kernel, the following vulnerability has been resolved: mm: avoid leaving partial pfn mappings around in error case As Jann points out, PFN mappings are...

CVE-2026-43970

A flaw was found in cowlib. This vulnerability, categorized as Improper Handling of Highly Compressed Data Data Amplification, allows an unauthenticated remote attacker to cause a denial of service DoS. By sending a specially crafted SPDY frame, the cowspdy:inflate/2 function in cowlib passes...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

netty: Netty: Denial of Service via HTTP/2 CONTINUATION frame flood

A flaw was found in Netty. A remote user can trigger a Denial of Service DoS against a Netty HTTP/2 server by sending a flood of CONTINUATION frames. The server's lack of a limit on these frames, coupled with a bypass of size-based mitigations using zero-byte frames, allows an attacker to consume...

CVE-2026-42786

A flaw was found in bandit. A remote, unauthenticated attacker can exploit an Allocation of Resources Without Limits or Throttling vulnerability in the fragment reassembly path of the WebSocket connection handling. This allows the attacker to send an unbounded number of continuation frames, leadi...

CVE-2026-42788

A flaw was found in bandit. An unauthenticated remote attacker can exploit a vulnerability in the HTTP/2 frame deserialization process by sending oversized HTTP/2 frames. This allows the attacker to force the server to buffer excessive amounts of memory, leading to memory exhaustion and a denial ...

RUSTSEC-2026-0153 Unchecked `CryptoVec` allocation and growth handling

CryptoVec used unchecked capacity growth, unchecked length arithmetic, and unsafe allocation and locking paths. In affected russh releases, attacker-controlled input could reach these code paths through buffer resizing operations. Two affected reachability paths were identified: Current russh...