CVE-2018-10933

Recreate & improve scenario of CVE-2018-10933 Explaination This is educational purpose for CVE-2018-10933, which is libSSH bypass authentication! libssh versions 0.6 and above have an authentication bypass vulnerability in the server code. By presenting the server an SSH2MSGUSERAUTHSUCCESS messag...

CVE-2018-6574

CVE-2018-6574...

ssh-audit

ssh-audit ssh-audit es una herramienta para auditoría de servidores SSH. Características soporte de servidores con protocolos SSH1 y SSH2; captura de banner, reconocimiento de dispositivo, software y sistema operativo, detección de compresión; recopilación de algoritmos de intercambio de claves,...

ROS-20260907-73-0004

The vulnerability in the src/userauth.c component of the SSH2 protocol implementation library Libssh2 is related to errors in number processing. Exploiting this vulnerability could allow a malicious actor to cause service failures remotely...

Debian dla-4773 : libssh2-1 - security update

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4773 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4773-1 [email protected]...

Libssh2 DoS

The vulnerability in the src/userauth.c component of the SSH2 protocol implementation library Libssh2 is related to errors in number processing. Exploiting this vulnerability could allow a malicious actor to cause service failures remotely...

ROOT-OS-DEBIAN-12-CVE-2026-66035 CVE-2026-66035 in libssh2 - Patched by Root

Root has patched CVE-2026-66035 in the libssh2 package for Root:Debian:12. Multiple fixed versions available...

OESA-2026-3393 libssh2 security update

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10. Security Fixes: libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count fr...

CVE-2026-71243: Improper Neutralization of Special Elements used in an OS Command

The backmeup npm package assembles shell command strings by directly concatenating its option values name, source, destination, filter - e.g. cmd = "mkdir -p " + path.joininfo.destination, info.name + "; " - and executes the resulting string through a shell via ssh2-exec locally via childprocess,...

CVE-2026-66033

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...

Linux Distros Unpatched Vulnerability : CVE-2026-55200

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on...

DEBIAN-CVE-2026-55200

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

CVE-2026-55200

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

EUVD-2026-37784

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

CVE-2026-55200 libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c

libssh2 1.11.1, fixed in commit 97acf3d, contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve remote...

CVE-2026-55200

libssh2 through 1.11.1, fixed in commit 7acf3df contains an out-of-bounds write vulnerability in ssh2transportread that fails to enforce upper bounds on packetlength field. Remote attackers can send crafted SSH packets with excessively large packetlength values to corrupt heap memory and achieve...

PT-2026-50528

Name of the Vulnerable Software and Affected Versions libssh2 versions prior to 1.11.2 Description An out-of-bounds write issue exists in the ssh2 transport read function due to an integer overflow and a failure to enforce upper bounds on the packet length field. A remote attacker operating a...

CVE-2026-42454: Improper Neutralization of Special Elements used in an OS Command

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. Prior to version 2.1.0, all Docker container management endpoints in Termix interpolate the containerId URL path parameter and WebSocket message field directly into shell commands execute...

CVE-2026-34084 PhpSpreadsheet SSRF and RCE via PHP stream wrappers in IOFactory::load

PhpSpreadsheet is a library for reading and writing spreadsheet files. In versions 1.30.2 and earlier, 2.0.0 through 2.1.14, 2.2.0 through 2.4.3, 3.3.0 through 3.10.3, and 4.0.0 through 5.5.0, when the filename argument to IOFactory::load is user-controlled, an attacker can supply a PHP stream...

GHSA-Q4Q6-R8WH-5CGH PhpSpreadsheet has SSRF/RCE in IOFactory::load when $filename is user controlled

The usage of isfile, used to verify if the $filename is indeed an actual file, by all? Reader implementations inside the helper function File::assertFile is php-wrapper aware, for any php wrappers implementing stat. The 3 wrappers ftp://, phar:// and ssh2.sftp://, all satisfy this requirement - 2...