CVE-2026-73429

Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client session with a malformed KEXECDHREPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519Kex::computesharedsecret function in...

EUVD-2026-57625

Russh is a Rust SSH client & server library. Prior to 0.62.4, an unauthenticated SSH client can cause a denial of service by sending SSHMSGKEXECDHINIT with a 32-byte all-zero QC value. Curve25519Kex::serverdh in russh/src/kex/curve25519.rs accepts the all-zero peer public value and computes an...

CVE-2026-73430

Russh is a Rust SSH client & server library. Prior to 0.62.4, an unauthenticated SSH client can cause a denial of service by sending SSHMSGKEXECDHINIT with a 32-byte all-zero QC value. Curve25519Kex::serverdh in russh/src/kex/curve25519.rs accepts the all-zero peer public value and computes an...

CVE-2026-73429

Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client session with a malformed KEXECDHREPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519Kex::computesharedsecret function in...

CVE-2026-73429

Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client session with a malformed KEXECDHREPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519Kex::computesharedsecret function in...

PT-2026-71342

Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client session with a malformed KEX ECDH REPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519Kex::compute shared secret function in...

GHSA-5XVQ-CP9X-6P6R Russh: Pre-auth remote panic via all-zero Curve25519 peer public value (encode_mpint OOB)

A pre-authentication denial-of-service panic in russh 0.62.2 commit c4be19f1915c8682f4615c3fd50008512b474491, current default branch main as of 2026-07-22. An unauthenticated client sends a single SSHMSGKEXECDHINIT whose QC is 32 zero bytes. russh's Curve25519 KEX does not reject the all-zero pee...

CLSA-2026-1777950533 openssh: Fix of CVE-2026-3497

CVE-2026-3497: fix information disclosure / DoS in GSSAPI key exchange by initialising gssbuf, recvtok, msgtok to GSSCEMPTYBUFFER and replacing non-terminating sshpktdisconnect with sshpacketdisconnect in kexgssc.c / kexgsss.c...

JLSEC-2026-66

OpenSSH server sshd 9.1 introduced a double-free vulnerability during options.kexalgorithms handling. This is fixed in OpenSSH 9.2. The double free can be leveraged, by an unauthenticated remote attacker in the default configuration, to jump to any location in the sshd address space. One...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: erlang (UTSA-2026-006244)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006244 advisory. Erlang/OTP is a set of libraries for the Erlang programming language. Prior to versions OTP-27.3.1, 26.2.5.10, and 25.3.2.19, a maliciously formed KEX init message c...

EulerOS 2.0 SP12 : libssh (EulerOS-SA-2025-2332)

According to the versions of the libssh package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the sshkdf function responsible for key derivation...

The vulnerability of the first_kex_packet_follows() function in the libssh library, which allows a hacker to cause a service failure

The vulnerability of the firstkexpacketfollows function in the libssh library is related to the lack of memory release after the effective lifespan of the function has ended. Exploiting this vulnerability could allow a remote attacker to cause a service failure...

Security update for libssh

This update for libssh fixes the following issues: CVE-2025-8277: memory exhaustion leading to client-side DoS due to improper memory management when KEX process is repeated with incorrect guesses bsc1249375. Patch Instructions: To install this SUSE update use the SUSE recommended installation...

EUVD-2025-14034

Malicious code in bioql PyPI...

EUVD-2025-14809

Malicious code in bioql PyPI...

MAL-2025-10164 Malicious code in @zalastax/nolb-_kex (npm)

The package @zalastax/nolb-kex was found to contain malicious code...

K000152843: Erlang/OTP vulnerabilities CVE-2025-26618, CVE-2025-30211, and CVE-2025-46712

Security Advisory Description CVE-2025-26618 Erlang is a programming language and runtime system for building massively scalable soft real-time systems with requirements on high availability. OTP is a set of Erlang libraries, which consists of the Erlang runtime system, a number of ready-to-use...

Security Bulletin: Erlang/OTP Vulnerability in KEX Init Handling May Lead to High Memory Usage

Summary Erlang/OTP is a set of libraries for the Erlang programming language. Prior to versions OTP-27.3.1, 26.2.5.10, and 25.3.2.19, a maliciously formed KEX init message can result with high memory usage. Implementation does not verify RFC specified limits on algorithm names 64 characters...

Ubuntu 22.04 LTS / 24.04 LTS / 25.04 : Erlang vulnerabilities (USN-7656-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.04 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7656-1 advisory. It was discovered that Erlang OTPs SSH module incorrectly enforced strict KEX handshake hardening measures. A remote attacker able to...

USN-7656-1: Erlang vulnerabilities

It was discovered that Erlang OTP’s SSH module incorrectly enforced strict KEX handshake hardening measures. A remote attacker able to intercept communications could possibly use this issue to insert optional messages into connections during the handshake. CVE-2025-46712 It was discovered that...