NPM: node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion

Resource Exhaustion vulnerability discovered by ? in WordPress Npm node-opcua-transport versions = 2.0.0, 2.170.0...

NPM: node-opcua: TCP Socket Leak (FIN-WAIT-2) via keepalive reconnection cycle - Resource Exhaustion

Resource Exhaustion vulnerability discovered by ? in WordPress Npm node-opcua-client versions = 2.0.0, 2.170.0...

EUVD-2026-80869

node-opcua is an OPC UA implementation for TypeScript and Node.js. From 2.0.0 until 2.170.0, node-opcua clients using the default keepSessionAlive setting can enter a repeated reconnection cycle when an OPC UA server's clock skew causes BadInvalidTimestamp responses...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38588)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability related to improper access control. This vulnerability stems from improper access control in the keepAlive function. Attackers can exploit this vulnerability by sending specially crafted MQTT...

CVE-2026-15891 NULL pointer dereference in Zephyr MQTT-SN client when removing a non-responsive gateway

The MQTT-SN client keepalive handler processping in subsys/net/lib/mqttsn/mqttsn.c removes the gateway record after PINGREQ retries are exhausted. It invoked SYSSLISTPEEKHEADCONTAINER&client-gateways, gw, next but discarded the result. That macro is a pure expression that does not assign to gw, s...

CVE-2026-15891 NULL pointer dereference in Zephyr MQTT-SN client when removing a non-responsive gateway

The MQTT-SN client keepalive handler processping in subsys/net/lib/mqttsn/mqttsn.c removes the gateway record after PINGREQ retries are exhausted. It invoked SYSSLISTPEEKHEADCONTAINER&client-gateways, gw, next but discarded the result. That macro is a pure expression that does not assign to gw, s...

PT-2026-90983

The MQTT-SN client keepalive handler process ping in subsys/net/lib/mqtt sn/mqtt sn.c removes the gateway record after PINGREQ retries are exhausted. It invoked SYS SLIST PEEK HEAD CONTAINER&client-gateways, gw, next but discarded the result. That macro is a pure expression that does not assign t...

SUSE CVE-2026-80845

In the Linux kernel, the following vulnerability has been resolved: xfrm: avoid lock inversion in nat keepalive work natkeepalivework walks the state table while xfrmstatewalk holds net-xfrm.xfrmstatelock. Its callback then acquires x-lock, which conflicts with the delete path taking the same loc...

CVE-2026-80845

In the Linux kernel, the following vulnerability has been resolved: xfrm: avoid lock inversion in nat keepalive work natkeepalivework walks the state table while xfrmstatewalk holds net-xfrm.xfrmstatelock. Its callback then acquires x-lock, which conflicts with the delete path taking the same loc...

CVE-2026-80845

CVE-2026-80845 affects the Linux kernel xfrm subsystem, specifically the NAT keepalive worker. The root cause is an AB-BA lock inversion : nat_keepalive_work() acquires x->lock while holding xfrm_state_lock, whereas the SA deletion path (xfrm_state_delete() / __xfrm_state_delete()) takes the s...

CVE-2026-80845 xfrm: avoid lock inversion in nat keepalive work

In the Linux kernel, the following vulnerability has been resolved: xfrm: avoid lock inversion in nat keepalive work natkeepalivework walks the state table while xfrmstatewalk holds net-xfrm.xfrmstatelock. Its callback then acquires x-lock, which conflicts with the delete path taking the same loc...

CVE-2026-80845 xfrm: avoid lock inversion in nat keepalive work

In the Linux kernel, the following vulnerability has been resolved: xfrm: avoid lock inversion in nat keepalive work natkeepalivework walks the state table while xfrmstatewalk holds net-xfrm.xfrmstatelock. Its callback then acquires x-lock, which conflicts with the delete path taking the same loc...

CVE-2026-80845

In the Linux kernel, the following vulnerability has been resolved: xfrm: avoid lock inversion in nat keepalive work natkeepalivework walks the state table while xfrmstatewalk holds net-xfrm.xfrmstatelock. Its callback then acquires x-lock, which conflicts with the delete path taking the same loc...

Denial Of Service

Spring for GraphQL is vulnerable to Denial of Service. The vulnerability is due to improper handling of the WebSocket client keepAlive feature, where the client maintains persistent connections without adequate limits and an attacker can trigger excessive resource consumption to cause a denial of...

Linux Distros Unpatched Vulnerability : CVE-2026-80845

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: avoid lock inversion in nat keepalive work natkeepalivework walks the state table while xfrmstatewalk holds net-xfrm.xfrmstatelock. Its callback then...

PT-2026-85723

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An AB-BA deadlock occurs when a NAT keepalive worker races with Security Association SA deletion. This happens because the nat keepalive work function iterates through the state table...

CVE-2026-51747

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the csbroker component...

PT-2026-84207

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the cs broker component...

CVE-2026-51747

The TOTOLINK T6 (firmware version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control flaw within the keepAlive function. This vulnerability allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master node by sending a crafted MQTT message to th...

CVE-2026-51747

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the csbroker component...