Crossing the Streams: SSH Plaintext Recovery Via a Common Compression Context in Multiplexed Channels

SSH is the standard protocol for secure remote administration of servers. At the transport layer, SSH uses the Binary Packet Protocol BPP for encrypted and authenticated communication. Above this, the SSH Connection Protocol multiplexes one or more logical channels over a single connection,...

SUSE CVE-2026-78662

Previously, a channel registered in the mux's chanList is not usable until it is established. A malicious peer was able flood the channel's incomingRequests, deadlocking the entire connection. Now, we add an atomic established state, set when a channel becomes usable. Until such a time,...

CVE-2026-65325: Improper Certificate Validation

Apache Traffic Server reuses multiplexed HTTP/2 origin connections without verifying the server certificate covers the new request hostname. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1....

CVE-2026-50020

A flaw was found in Netty. The HttpObjectDecoder component, which processes incoming HTTP requests, incorrectly skips certain control characters and whitespace before reading the first request line. This behavior, which goes beyond standard HTTP protocol requirements, can lead to request-boundary...

OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions

A flaw was found in OpenSSH. This vulnerability allows for a low integrity impact due to the omission of connection multiplexing confirmation for proxy-mode multiplexing sessions. A local user, under specific and complex conditions requiring user interaction, could potentially establish a...

OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions

A flaw was found in OpenSSH. This vulnerability allows for a low integrity impact due to the omission of connection multiplexing confirmation for proxy-mode multiplexing sessions. A local user, under specific and complex conditions requiring user interaction, could potentially establish a...

OpenSSH: OpenSSH: Low integrity impact from unconfirmed proxy-mode multiplexing sessions

A flaw was found in OpenSSH. This vulnerability allows for a low integrity impact due to the omission of connection multiplexing confirmation for proxy-mode multiplexing sessions. A local user, under specific and complex conditions requiring user interaction, could potentially establish a...

golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

Security update for coredns (important)

openSUSE Security Update: Security update for coredns Announcement ID: openSUSE-SU-2026:0032-1 Rating: important References: 1255345 Cross-References: CVE-2025-61726 CVE-2025-61728 CVE-2025-61731 CVE-2025-68119 CVE-2025-68121 CVE-2025-68156 CVSS scores: CVE-2025-61726 SUSE: 6.9...

Security Advisory 0124

Security Advisory 0124 PDF Date: October 22, 2025 Revision | Date | Changes ---|---|--- 1.0 | October 22, 2025 | Initial release The following issues were discovered in Arista DANZ Monitoring Fabric DMF. These issues affect DMF, Converged Cloud Fabric CCF, CloudVision Appliance CVA, and Multi-Clo...

EUVD-2018-12553

Malware in sbrugna...

EUVD-2012-2193

Malware in sbrugna...

Security Bulletin: Multiple vulnerabilities in Go affect IBM Robotic Process Automation for Cloud Pak

Summary Multiple vulnerabilities in Go affect IBM Robotic Process Automation for Cloud Pak. This bulletin identifies fixes required to resolve the vulnerabilities. Vulnerability Details CVEID:CVE-2023-39325 DESCRIPTION: Golang Go is vulnerable to a denial of service, caused by an uncontrolled...

Security Bulletin: IBM Security Guardium is affected by an http2-common-9.4.44.v20210927.jar vulnerability (CVE-2023-44487)

Summary IBM Security Guardium has addressed this vulnerability in an update. Vulnerability Details CVEID:CVE-2023-44487 DESCRIPTION: Multiple vendors are vulnerable to a denial of service, caused by a flaw in handling multiplexed streams in the HTTP/2 protocol. By sending numerous HTTP/2 requests...

Security Bulletin: Multiple Vulnerabilities in Rational Synergy

Summary Vulnerabilities in Eclipse Jetty shipped with Rational Synergy may affect the security of the product. Vulnerability Details CVEID:CVE-2024-22201 DESCRIPTION: Eclipse Jetty is vulnerable to a denial of service, caused by a flaw when an HTTP/2 connection gets TCP congested. By sending a...

golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)

A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RSTSTREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any...

Security Bulletin: Vulnerability in nghttp2 library (CVE-2023-44487) affects Power HMC

Summary The nghttp2 library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVE. Vulnerability Details CVEID:CVE-2023-44487 DESCRIPTION: Multiple vendors are vulnerable to a denial of service, caused by a flaw in handling multiplexed streams in the HTTP/2...

Security Bulletin: A vulnerability in IBM WebSphere Application Server Liberty affects IBM Storage Scale packaged in IBM Storage Scale System

Summary There is a vulnerability in IBM WebSphere Application Server Liberty, used by IBM Storage Scale System, which could allow a remote attacker to cause a denial of service. CVE-2023-46158, CVE-2023-44487 Vulnerability Details CVEID:CVE-2023-46158 DESCRIPTION: IBM WebSphere Application Server...