strawberry-graphql: Denial of Service via unbounded WebSocket subscriptions

Strawberry GraphQL's WebSocket subscription handlers for both the graphql-transport-ws and legacy graphql-ws protocols allocate an asyncio.Task and associated Operation object for every incoming subscribe message without enforcing any limit on the number of active subscriptions per connection. An...

UBUNTU-CVE-2026-31407

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

CVE-2026-31408

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix use-after-free in scorecvframe due to missing sockhold scorecvframe reads conn-sk under scoconnlock but immediately releases the lock without holding a reference to the socket. A concurrent close can free the...

curl: FTP entrypath accepts 0xFF (Telnet IAC) through incomplete ISCNTRL filter, sent on wire via CWD on connection reuse

Summary A malicious FTP server can embed byte 0xFF Telnet IAC in the PWD response path. The ISCNTRL filter at lib/ftp.c:3095 expands to ISLOWCNTRLx || IS7Fx, which is unsigned charx entrypath line 3131 and sent verbatim via CWD %s on connection reuse line 849. I understand the KNOWNRISK.md and...

curl: Improper enforcement of CURLOPT_SOCKS5_AUTH due to missing reuse key validation in libcurl

detail: - lib/setopt.c:1048-1051 - CURLOPTSOCKS5AUTH is stored into data-set.socks5auth - lib/socks.c:597-641 socks5req0init - fresh SOCKS5 handshake reads data-set.socks5auth, if BASIC is not allowed, it clears sx-proxyuser at 618-620, so username/password auth is not even offered -...

EUVD-2026-19028

A race condition during TCP connection teardown can cause tcprecv to operate on a connection that has already been released. If tcpconnsearch returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcpbacklogisfull and dereferenced without validatio...

CVE-2026-5590 net: ip/tcp: Null pointer dereference can be triggered by a race condition

A race condition during TCP connection teardown can cause tcprecv to operate on a connection that has already been released. If tcpconnsearch returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcpbacklogisfull and dereferenced without validatio...

CVE-2026-5590 net: ip/tcp: Null pointer dereference can be triggered by a race condition

A race condition during TCP connection teardown can cause tcprecv to operate on a connection that has already been released. If tcpconnsearch returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcpbacklogisfull and dereferenced without validatio...

CVE-2026-5590

A race condition during TCP connection teardown can cause tcprecv to operate on a connection that has already been released. If tcpconnsearch returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcpbacklogisfull and dereferenced without validatio...

CVE-2026-5590

CVE-2026-5590 describes a race condition during TCP connection teardown where tcp_recv() may operate on a released connection. If tcp_conn_search() returns NULL while processing a SYN, a NULL pointer from stale context data is passed to tcp_backlog_is_full() and dereferenced without validation, c...

Invisible Adversaries: A Systematic Study of Session Manipulation Attacks on VPNs

Virtual Private Networks VPNs are widely used for censorship evasion and traffic protection. VPN users expect to be provided with adequate security protection, and at the same time not be affected by other users connected to the same VPN server, which can be illustrated as the non-interference...

Linux Distros Unpatched Vulnerability : CVE-2026-23427

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles...

PT-2026-30411

A race condition during TCP connection teardown can cause tcp recv to operate on a connection that has already been released. If tcp conn search returns NULL while processing a SYN packet, a NULL pointer derived from stale context data is passed to tcp backlog is full and dereferenced without...

SUSE CVE-2026-23427

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in durable v2 replay of active file handles parsedurablehandlecontext unconditionally assigns dhinfo-fp-conn to the current connection when handling a DURABLEREQV2 context with SMB2FLAGSREPLAYOPERATION...

SUSE CVE-2026-23428

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of shareconf in compound request smb2getksmbdtcon reuses work-tcon in compound requests without validating tcon-tstate. ksmbdtreeconnlookup checks tstate == TREECONNECTED on the initial lookup path, but...

SUSE CVE-2026-23460

In the Linux kernel, the following vulnerability has been resolved: net/rose: fix NULL pointer dereference in rosetransmitlink on reconnect syzkaller reported a bug 1, and the reproducer is available at 2. ROSE sockets use four sk-skstate values: TCPCLOSE, TCPLISTEN, TCPSYNSENT, and TCPESTABLISHE...

SUSE CVE-2026-23461

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capunregisteruser After commit ab4eedb790ca "Bluetooth: L2CAP: Fix corrupted list in hcichandel", l2capconndel uses conn-lock to protect access to conn-users. However, l2capregisteruser a...

SUSE CVE-2026-23462

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: Fix possible UAF This fixes the following trace caused by not dropping l2capconn reference when user-remove callback is called: 97.809249 l2capconnfree: freeing conn ffff88810a171c00 97.809907 CPU: 1 UID: 0 PID:...

EUVD-2026-18851

Improper neutralization of special elements in the authentication components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to execute arbitrary code or redirect authentication flows by using specially crafted connection parameters that are processed by the driver during...

CVE-2026-35558 Improper neutralization of special elements in authentication components in Amazon Athena ODBC driver

Improper neutralization of special elements in the authentication components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to execute arbitrary code or redirect authentication flows by using specially crafted connection parameters that are processed by the driver during...