SUSE-SU-2025:01638-1 Security update for openssh

This update for openssh fixes the following issue: Security fixes: - CVE-2025-32728: Fixed logic error in DisableForwarding option bsc1241012 Other fixes: - Fix ssh client segfault with GSSAPIKeyExchange=yes in sshkex2 due to gssapi proposal not being correctly initialized bsc1236826. The problem...

Versatile Quantum-Safe Hybrid Key Exchange and Its Application to MACsec

Advancements in quantum computing pose a significant threat to most of the cryptography currently deployed. Fortunately, cryptographic building blocks to mitigate the threat are already available; mostly based on post-quantum and quantum cryptography, but also on symmetric cryptography techniques...

Security update for openssh

This update for openssh fixes the following issues: Security issues fixed: CVE-2025-32728: Fixed a logic error in DisableForwarding option bsc1241012 Other bugs fixed: Allow KEX hashes greater than 256 bits bsc1241045 Fixed hostname being left out of the audit output bsc1228634 Fixed failures wit...

golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh

A flaw was found in the golang.org/x/crypto/ssh package. SSH clients and servers are vulnerable to increased resource consumption, possibly leading to memory exhaustion and a DoS. This can occur during key exchange when the other party is slow to respond during key exchange...

golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh

A flaw was found in the golang.org/x/crypto/ssh package. SSH clients and servers are vulnerable to increased resource consumption, possibly leading to memory exhaustion and a DoS. This can occur during key exchange when the other party is slow to respond during key exchange...

Important: Red Hat Security Advisory: gvisor-tap-vsock security update

An update for gvisor-tap-vsock is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerabili...

golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh

A flaw was found in the golang.org/x/crypto/ssh package. SSH clients and servers are vulnerable to increased resource consumption, possibly leading to memory exhaustion and a DoS. This can occur during key exchange when the other party is slow to respond during key exchange...

Important: Red Hat Security Advisory: podman security update

An update for podman is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

golang.org/x/crypto/ssh: Denial of Service in the Key Exchange of golang.org/x/crypto/ssh

A flaw was found in the golang.org/x/crypto/ssh package. SSH clients and servers are vulnerable to increased resource consumption, possibly leading to memory exhaustion and a DoS. This can occur during key exchange when the other party is slow to respond during key exchange...

Key Exchange Protocol Based on Circulant Matrix Action over Congruence-Simple Semiring

We present a new key exchange protocol based on circulant matrices acting on matrices over a congruence-simple semiring. We describe how to compute matrices with the necessary properties for the implementation of the protocol. Additionally, we provide an analysis of its computational cost and its...

CVE-2025-20182

A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol processing of Cisco Adaptive Security Appliance ASA Software, Cisco Firepower Threat Defense FTD Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of servi...

OESA-2025-1492 erlang security update

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Security Fixes: Erlang/OTP is a set of libraries for the Erlang...

OESA-2025-1491 erlang security update

Erlang is a general-purpose programming language and runtime environment. Erlang has built-in support for concurrency, distribution and fault tolerance. Erlang is used in several large telecommunication systems from Ericsson. Security Fixes: Erlang/OTP is a set of libraries for the Erlang...

DEBIAN-CVE-2025-46712

Erlang/OTP is a set of libraries for the Erlang programming language. In versions prior to OTP-27.3.4 for OTP-27, OTP-26.2.5.12 for OTP-26, and OTP-25.3.2.21 for OTP-25, Erlang/OTP SSH fails to enforce strict KEX handshake hardening measures by allowing optional messages to be exchanged. This...

UBUNTU-CVE-2025-46712

Erlang/OTP is a set of libraries for the Erlang programming language. In versions prior to OTP-27.3.4 for OTP-27, OTP-26.2.5.12 for OTP-26, and OTP-25.3.2.21 for OTP-25, Erlang/OTP SSH fails to enforce strict KEX handshake hardening measures by allowing optional messages to be exchanged. This...

Erlang/OTP 安全漏洞

Erlang/OTP is an Erlang/OTP open source library written in JavaScript that handles handling exceptions. The library catches exceptions raised by the node.js built-in API. A security vulnerability exists in Erlang/OTP that stems from SSH not strictly enforcing the KEX handshake, which could lead t...

CVE-2025-20192

A vulnerability in the Internet Key Exchange version 1 IKEv1 implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service DoS condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability. This vulnerability is du...

CVE-2025-20192

Summary: CVE-2025-20192 affects Cisco IOS XE Software. It is a vulnerability in the IKEv1 implementation where improper validation of IKEv1 phase 2 parameters before handing off to the hardware cryptographic accelerator can allow an authenticated, remote attacker with valid IKEv1 VPN credentials ...

Cisco IOS XE 安全漏洞

Cisco IOS XE is an operating system from Cisco, Inc. Used as a single operating system for enterprise wired and wireless access, aggregation, core, and WAN, Cisco IOS XE reduces business and network complexity. A security vulnerability exists in Cisco IOS XE that stems from insufficient validatio...

Configure Proper SSH Key Exchange Algorithms

Key exchange is a process in which two parties exchange keys to allow the use of an encryption algorithm. A secure key exchange algorithm enables them to securely exchange keys, thereby using encryption algorithms to encrypt messages to be sent and decrypt received messages. Set the SSH key...