CVE-2026-52829 ZEBRA: IPv4-Mapped Mempool Misbehavior Update Aborts Zebra Address Book

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, an unauthenticated IPv4 peer can deterministically terminate a synced Zebra node using the default Linux dual-stack listener configuration. The handshake path canonicalized an IPv4-mapped IPv6 PeerSocketAddr such as ::ffff:127.0.0.1 ...

CVE-2026-52737 ZEBRA: Sync restart poisoning from single unauthenticated peer via above-lookahead block

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a malicious unauthenticated P2P peer can answer Zebra's outbound getblocks or FindBlocks request with a small two-hash inventory and then serve a syntactically valid block whose coinbase height is far above the local chain tip. In...

CVE-2026-52737 ZEBRA: Sync restart poisoning from single unauthenticated peer via above-lookahead block

ZEBRA is a Zcash node written entirely in Rust. Prior to 4.5.0, a malicious unauthenticated P2P peer can answer Zebra's outbound getblocks or FindBlocks request with a small two-hash inventory and then serve a syntactically valid block whose coinbase height is far above the local chain tip. In...

CVE-2026-56818 Netty: RedisArrayAggregator max-elements failure leaves retained partial aggregate state

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.136.Final and 4.2.16.Final, the RedisArrayAggregator Redis codec clears retained partial aggregate state when the maxNestedArrayDepth limit is exceeded, but it does not clear the same state when the sibling...

GHSA-93WV-JW9V-4972 Netty: HTTP/2 decompression leaks ByteBuf reference count when the decompressor channel is already closed (Direct memory leak / OOM DoS)

Summary A remote, unauthenticated peer can leak one direct ByteBuf per HTTP/2 DATA frame in applications that enable HTTP/2 content decompression via DelegatingDecompressorFrameListener. When a DATA frame is processed for a stream whose decompressor has already been closed,...

CVE-2026-10680

The Classic BR/EDR L2CAP signaling handlers l2capbrconfreq and l2capbrconfrsp in subsys/bluetooth/host/classic/l2capbr.c validated the minimum command size against buf-len the bytes remaining in the whole received PDU instead of len the per-command data length from the L2CAP signaling header...

CVE-2026-10680

CVE-2026-10680 affects Zephyr Project’s Classic BR/EDR L2CAP signaling: l2cap_br_conf_req() and l2cap_br_conf_rsp() validate the per-command length against the whole PDU length (buf->len) instead of the per-command len, allowing underflow of opt_len and an out-of-bounds read/write during confi...

CVE-2026-63890

In the Linux kernel, the following vulnerability has been resolved: scsi: fcoe: Reject FIP descriptors with zero fipdlen in CVL walker drivers/scsi/fcoe/fcoectlr.c::fcoectlrrecvclrvlink advanced the descriptor cursor by an attacker-supplied fipdlen without ever requiring dlen = sizeofstruct fipde...

BIT-NATS-2026-58250 NATS Server: Pre-auth server crash via double INFO in leafnode handshake

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

CVE-2026-58250

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

CVE-2026-58250 NATS Server: Pre-auth server crash via double INFO in leafnode handshake

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

CVE-2026-58250 NATS Server: Pre-auth server crash via double INFO in leafnode handshake

NATS Server is a high-performance server for NATS.io, the cloud and edge native messaging system. Prior to 2.12.8 and 2.11.17, an unauthenticated peer with network access to a leafnode listener with compression enabled could crash the server during the pre-authentication leafnode handshake by...

PT-2026-56563

Name of the Vulnerable Software and Affected Versions NATS Server versions prior to 2.12.8 NATS Server versions prior to 2.11.17 Description An unauthenticated peer with network access to a leafnode listener with compression enabled can cause the server to crash. This occurs during the...

GHSA-GVJC-3W7C-92JX Zebra has sync restart poisoning from single unauthenticated peer via above-lookahead block

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node accepts inbound P2P connections and is syncing or catching up to the chain tip. Summary A malicious peer can answer Zebra's outbound getblocks/FindBlocks request with a small two-hash inventory, then ser...

zebrad has mempool transaction admission denial via single-peer inbound queue saturation

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node accepts inbound P2P connections network.listenaddr is set, which is the default. 3. Your node's mempool is active node is synced near the chain tip. All default configurations are affected. Summary A...

GHSA-4FC2-H7JH-287C zebrad has mempool transaction admission denial via single-peer inbound queue saturation

Am I affected You are affected if: 1. You run zebrad up to and including v4.4.1. 2. Your node accepts inbound P2P connections network.listenaddr is set, which is the default. 3. Your node's mempool is active node is synced near the chain tip. All default configurations are affected. Summary A...

Incorrect Calculation of Buffer Size

Overview Affected versions of this package are vulnerable to Incorrect Calculation of Buffer Size via the STOMP protocol when a remote unauthenticated peer sends a negative content-length value. An attacker can exhaust system resources or force abnormal connection closure by continuously streamin...

UBUNTU-CVE-2026-53225

In the Linux kernel, the following vulnerability has been resolved: sctp: fix uninit-value in sctprcvasconflookup sctprcvasconflookup in net/sctp/input.c only checks that the ASCONF chunk can hold the ADDIP header and a parameter header, then calls af-fromaddrparam, which reads the full address 1...

CVE-2026-53225

The CVE-2026-53225 entry describes a Linux kernel SCTP vulnerability in __sctp_rcv_asconf_lookup() where an unauthenticated peer can send a truncated ASCONF chunk; the code may read 16 bytes of uninitialized memory past the address parameter when the chunk’s length is misdeclared. Affected compon...

CVE-2026-46679 libp2p: Memory DoS via subscription flood of unique topics

libp2p is a JavaScript Implementation of libp2p networking stack. Prior to version 15.0.23, three cooperating omissions in @libp2p/gossipsub allow an unauthenticated single peer to exhaust the Node.js heap of any gossipsub node with default options. This issue has been patched in version 15.0.23...