EulerOS 2.0 SP10 : libssh2 (EulerOS-SA-2026-3701)

According to the versions of the libssh2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation...

EulerOS Virtualization 2.11.1 : libssh2 (EulerOS-SA-2026-3434)

According to the versions of the libssh2 packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauthpassword of the...

EulerOS Virtualization 2.12.1 : libssh2 (EulerOS-SA-2026-3594)

According to the versions of the libssh2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the...

EulerOS Virtualization 2.12.0 : libssh2 (EulerOS-SA-2026-3648)

According to the versions of the libssh2 package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the...

MGASA-2026-0402 Updated libssh2 packages fix security vulnerabilities

Double-Free Heap Corruption via sftpopen. CVE-2026-66032 Integer Underflow DoS via AES-GCM Cipher Negotiation. CVE-2026-66033 Heap Buffer Overflow via ETM Cipher Negotiation. CVE-2026-66035...

Updated libssh2 packages fix security vulnerabilities

Double-Free Heap Corruption via sftpopen. CVE-2026-66032 Integer Underflow DoS via AES-GCM Cipher Negotiation. CVE-2026-66033 Heap Buffer Overflow via ETM Cipher Negotiation. CVE-2026-66035...

Astra Linux – Vulnerability in libssh2

In libssh2 v1.9.0 and earlier versions, the SSHMSGDISCONNECT logic in packet.c has an integer overflow in a bounds check, allowing an attacker to specify an arbitrary out-of-bounds offset for a subsequent memory read. A malicious SSH server may be able to disclose sensitive information or cause a...

Astra Linux – Vulnerability in libssh2

A vulnerability was discovered in the function libssh2packetadd in libssh2 1.10.0, allowing attackers to access out-of-bound memory...

Astra Linux – Vulnerability in libssh2

The vulnerability of the libssh2packetadd function in the packet.c component of the SSH2 implementation library Libssh2 is related to insufficient input validation. Exploiting this vulnerability allows a remote attacker to cause service interruptions...

Astra Linux – Vulnerability in libssh2

The vulnerability of the libssh2ntohu32 function in the SSH2 protocol implementation library Libssh2 is related to reading data beyond the allowable buffer size. Exploiting this vulnerability could allow a remote attacker to cause service interruptions...

Astra Linux – Vulnerability in libssh2

A security vulnerability has been detected in libssh2 up to version 1.11.1. The affected component is the userauthpassword function in the src/userauth.c file. Manipulating the arguments usernamelen/passwordlen leads to integer overflow. This attack can be launched remotely. The name of the patch...

Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : libssh2 vulnerabilities (USN-8722-1)

The remote Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8722-1 advisory. It was discovered that libssh2 incorrectly handled certain SFTP server responses. A remote attacker controlling an S...

NewStart CGSL MAIN 7.02 : libssh2 Multiple Vulnerabilities (NS-SA-2026-0094)

The remote NewStart CGSL host, running version MAIN 7.02, has libssh2 packages installed that are affected by multiple vulnerabilities: - A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauthpassword of the file src/userauth.c. Such...

EulerOS 2.0 SP12 : libssh2 (EulerOS-SA-2026-3279)

According to the versions of the libssh2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation...

EulerOS 2.0 SP12 : libssh2 (EulerOS-SA-2026-3354)

According to the versions of the libssh2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : libssh2 through 1.11.1 reads an attacker-controlled 32-bit attribute count from a publickey-subsystem response and uses it in the allocation...

ROS-20260907-73-0030

The vulnerability of the publickeyresponsesuccess function in the libssh2 library is related to integer overflow. Exploiting this vulnerability could allow a malicious actor to cause service failures or execute arbitrary code...

ROS-20260907-73-0029

The vulnerability of the libssh2publickeylistFetch function in the libssh2 library is related to the use of uninitialized resources. Exploiting this vulnerability could allow a malicious actor to cause service failures...

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...

ROS-20260907-73-0001

The vulnerability of the ssh2transportread function in the libssh2 library is related to buffer overflows due to integer overflows. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code using specially created SSH packets...

[SECURITY] [DLA 4773-1] libssh2 security update

Debian LTS Advisory DLA-4773-1 [email protected] https://www.debian.org/lts/security/ Emmanuel Arias September 05, 2026 https://wiki.debian.org/LTS Package : libssh2 Version : 1.10.0-3+deb12u1 CVE ID : CVE-2025-15661 CVE-2026-7598 CVE-2026-58050 CVE-2026-58051 CVE-2026-66032...