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...

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...

GHSA-4M69-67M6-PRQP Zebra has block suppression via NU5 same-header body poisoning of sent-hash cache

Description Am I affected You are affected if: 1. You run any version of 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 processes blocks past the checkpoint height non-finalized state is active. All...

GHSA-443G-GWGP-49X4 zebrad vulnerable to getblocks/getheaders locator CPU amplification via uncapped vector length

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. Summary The readgetblocks and readgetheaders codec paths accepted block locator vectors up to approximately 65,535 entries the generic TrustedPreallocate ceiling derived...

curl: libcurl: Unauthorized connection reuse due to a logical error

A flaw was found in libcurl. A logical error in the connection pooling mechanism may cause libcurl to reuse an authenticated connection for an unintended service. This could allow an application to wrongfully reuse an existing connection to the same server that was authenticated for a different...

curl: libcurl: curl/libcurl: Remote denial of service via QUIC UDP receive function vulnerability

A flaw was found in curl and libcurl. A malicious HTTP/3 server can exploit an issue in the QUIC UDP receive function by continuously streaming empty UDP datagrams. This can lead to a remote denial of service DoS against a curl or libcurl client, as the helper function discards zero-length UDP...

PYSEC-2026-656 OpenStack Keystone and other components vulnerable to Improper Certificate Validation

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates...

PT-2026-55472

Name of the Vulnerable Software and Affected Versions ZEBRA versions prior to 4.5.0 Description A remote unauthenticated P2P peer can stall a Zcash node by racing an invalid block body against a valid canonical body for the same block header hash. This is possible because ZIP-244 allows an attack...

GHSA-65RJ-R9FH-JP2V SurrealDB vulnerable to pre-auth memory amplification via unbounded `/sql` WebSocket frames

An anonymous caller could degrade /sql availability by streaming WebSocket frames many times larger than the operator-configured per-connection limit. The /sql upgrade handler accepted anonymous connections and did not propagate SURREALWEBSOCKETMAXMESSAGESIZE to the WebSocket protocol layer —...

EUVD-2026-40882

UltraVNC through 1.8.2.2 uses inadequate cryptography in the MS-Logon II authentication scheme rfbUltraVNCMsLogonIIAuth. In rfb/dh.cpp the Diffie-Hellman key exchange is performed with parameters that fit in an unsigned 64-bit integer DHMAXBITS controls the prime size. A 64-bit DH key can be brok...

CVE-2026-13799

Use after free in QUIC in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to potentially exploit heap corruption via malicious network traffic. Chromium security severity: High...

DEBIAN-CVE-2026-35505

An unauthenticated remote attacker can repeatedly send crafted connection requests to leak memory. In single-process deployments the memory grows until the service is killed and the port stops responding until restart...

CVE-2026-35505

An unauthenticated remote attacker can repeatedly send crafted connection requests to leak memory. In single-process deployments the memory grows until the service is killed and the port stops responding until restart...

CVE-2026-35505

An unauthenticated remote attacker can repeatedly send crafted connection requests to leak memory. In single-process deployments the memory grows until the service is killed and the port stops responding until restart...

CVE-2026-35505

Technical details are not publicly available in the provided documents. Monitor for updates.

EUVD-2026-40276

Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing...

CVE-2026-58055

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

Linux Distros Unpatched Vulnerability : CVE-2026-40209

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker might be able to cause outgoing TCP connections to backend to be stuck until a timeout occurs instead of being released immediately, by sending IXFR...

Ukraine Says Russian Intelligence Used Fake Support Texts to Steal Messaging Credentials

The Security Service of Ukraine SSU said it, together with the U.S. Federal Bureau of Investigation FBI, uncovered a long-running campaign orchestrated by Russian intelligence services to break into the messaging accounts of government officials, military personnel, politicians, and activists in...

CVE-2026-40209

An attacker might be able to cause outgoing TCP connections to backend to be stuck until a timeout occurs instead of being released immediately, by sending IXFR queries. This could be used to cause a denial of service if there is a limit to the number of concurrent connections to this backend, or...