Security Bulletin: Multiple Vulnerabilities in IBM Operator for PostgreSQL

Summary Multiple vulnerabilities were addressed in IBM Operator for PostgreSQL version v28.4.1. Vulnerability Details CVEID:CVE-2026-39830 DESCRIPTION: A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound in the exec request handling process. An attacker can cause the server process to crash and terminate all active connections by sending a specially crafted five-byte message with a manipulated length field...

Integer Overflow or Wraparound

Overview Affected versions of this package are vulnerable to Integer Overflow or Wraparound in the exec request handling process. An attacker can cause the server process to crash and terminate all active connections by sending a specially crafted five-byte message with a manipulated length field...

GHSA-26GQ-P25F-99CP frp: Unauthenticated Remote Denial of Service in the frp SSH Tunnel Gateway via Integer Overflow

Summary An integer-overflow vulnerability in the frp server's optional SSH Tunnel Gateway lets any unauthenticated remote attacker crash the entire frps process with a single five-byte message. When the gateway parses an SSH exec channel request in pkg/ssh/server.go, it adds a small constant to a...

frp: Unauthenticated Remote Denial of Service in the frp SSH Tunnel Gateway via Integer Overflow

Summary An integer-overflow vulnerability in the frp server's optional SSH Tunnel Gateway lets any unauthenticated remote attacker crash the entire frps process with a single five-byte message. When the gateway parses an SSH exec channel request in pkg/ssh/server.go, it adds a small constant to a...

NETworkManager v2026.7.24.0

NETworkManager A powerful open-source tool for managing networks and troubleshooting network problems! Streamline and simplify your network administration and troubleshooting with NETworkManager. Connect, monitor, and troubleshoot your network and server infrastructure using built-in tools like...

CVE-2026-66035

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

DEBIAN-CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

AZL-93396 CVE-2026-66032 affecting package libssh2 for versions less than 1.11.1-5

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

AZL-93393 CVE-2026-66034 affecting package libssh2 for versions less than 1.11.1-5

libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and a free of an uninitialized pointer via the publickey subsystem. In libssh2publickeylistfetch, the version 1...

assistant_daemon (0.1.0), async-ssh2-tokio (>=0.2.0, <=0.8.11) +7 more potentially affected by CVE-2026-73429 via russh (>=0.34.0, <=0.43.0)

russh CARGO version =0.34.0, =0.2.0, =0.1.0, =0.1.0, =0.2.0, =0.1.0, =0.4.1 - sshrpc 0.1.0 - tunnels 0.1.0 Source cves: CVE-2026-73429 Source advisory: OSV:GHSA-G9HV-X236-4QP3...

assistant_daemon (0.1.0), async-ssh2-tokio (>=0.2.0, <=0.8.11) +7 more potentially affected by CVE-2026-73430 via russh (>=0.34.0, <=0.43.0)

russh CARGO version =0.34.0, =0.2.0, =0.1.0, =0.1.0, =0.2.0, =0.1.0, =0.4.1 - sshrpc 0.1.0 - tunnels 0.1.0 Source cves: CVE-2026-73430 Source advisory: OSV:GHSA-5XVQ-CP9X-6P6R...

CVE-2026-66035 libssh2 Heap Buffer Overflow via ETM Cipher Negotiation

libssh2 through 1.11.1, fixed in commit 42e33d8, contains a pre-authentication heap buffer overflow vulnerability that allows a malicious SSH server to corrupt heap metadata in any connecting client by sending a packet with a packetlength smaller than the cipher's block size during Encrypt-then-M...

EUVD-2026-48720

libssh2 through 1.11.1, fixed in commit a2ed82d, contains a pre-authentication integer underflow vulnerability in the ssh2ciphercrypt function in src/openssl.c that allows a malicious SSH server to crash any connecting client by negotiating AES-GCM ciphers during handshake. Attackers can exploit...

CVE-2026-66032

libssh2

MAL-2026-11049 Malicious code in mrmustard (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 535679eb30bfd0600dc07e44d2e649c88ecb6274364e2ba0b1ef2ccc05976727 On plain import mrmustard, the top-level init.py spawns a background thread that reads /.ssh/ private keys, /.aws/credentials, /.aws/config,...

Exploit for Missing Authentication for Critical Function in Erlang Erlang\/Otp

CVE-2025-32433: Erlang/OTP SSH Daemon Pre-Auth Remote Code Exe...

[SECURITY] Fedora 44 Update: cryptlib-3.4.9.3-1.fc44

Cryptlib is a powerful security toolkit that allows even inexperienced crypto programmers to easily add encryption and authentication services to their software. The high-level interface provides anyone with the ability to add strong security capabilities to an application in as little as half an...

Apache MINA SSHD input validation error vulnerability

Apache MINA SSHD is a Java library for client-side and server-side SSH communication. The sshd-git component of Apache MINA SSHD has a vulnerability related to input validation errors. This vulnerability arises from GitPgmCommandFactory failing to properly validate the git commands entered by...

PT-2026-67476

Summary A malicious SSH server can crash a russh client session with a single malformed key-exchange reply, causing a pre-authentication Denial-of-Service before the server host key is verified. The embedding process itself stays up, but the connection is killed deterministically. Details Every...