SUSE-SU-2026:23049-1 Security update for libssh2_org

This update for libssh2org fixes the following issues: - CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. - CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. - CVE-2026-58050: heap buffer...

EulerOS 2.0 SP11 : libssh2 (EulerOS-SA-2026-3080)

According to the versions of the libssh2 packages installed, the EulerOS 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 file...

Security update for libssh2_org

This update for libssh2org fixes the following issues: CVE-2025-15661: out-of-bounds heap read vulnerability in the sftpsymlink function in src/sftp.c bsc1268546. CVE-2026-7598: integer overflow in function userauthpassword of file src/userauth.c bsc1263890. CVE-2026-55199: pre-authentication DoS...

Updated libssh2 packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Heap Buffer Over-read via sftpsymlink in sftp.c. CVE-2025-15661 libssh2 userauth.c userauthpassword integer overflow. CVE-2026-7598 Pre-Authentication DoS via SSHMSGEXTINFO Handler. CVE-2026-55199 Out-of-Bounds Write via Unchecked packetlength in...

EulerOS 2.0 SP10 : libssh2 (EulerOS-SA-2026-2659)

According to the versions of the libssh2 packages installed, the EulerOS 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 file...

EulerOS 2.0 SP12 : libssh2 (EulerOS-SA-2026-2543)

According to the versions of the libssh2 packages installed, the EulerOS 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 file...

GHSA-4R3C-5HPG-58QR Russh SSH message fields were decoded through allocation-first parsers before field-specific bounds

SSH message fields were decoded through allocation-first parsers before field-specific bounds Summary Several russh client and server message handlers decoded attacker-controlled SSH strings, name-lists, and byte fields into owned allocations before applying field-specific bounds. A remote SSH pe...

EUVD-2026-36129

Russh: Unchecked keyboard-interactive prompt count in client auth path...

Amazon Linux 2023 : libssh2, libssh2-devel (ALAS2023-2026-1779)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1779 advisory. 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 manipulation of the argument...

CLSA-2026-1778745959 libssh2: Fix of CVE-2026-7598

CVE-2026-7598: add usernamelen/passwordlen bounds checks in userauthlist and userauthpassword to prevent integer overflow when allocating the SSH USERAUTHREQUEST packet buffer...

CLSA-2026-1778247114 libssh2: Fix of CVE-2026-7598

CVE-2026-7598: fix integer overflow in userauthpassword CVE-2026-7598...

CLSA-2026-1778602853 Fix CVE(s): CVE-2026-7598

SECURITY UPDATE: fix integer overflow in usernamelen bounds checks across userauthlist, userauthpassword and password change paths in src/userauth.c - debian/patches/CVE-2026-7598.patch: fix integer overflow in usernamelen bounds checks across userauthlist, userauthpassword and password change...

Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-7598)

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-7598 advisory. - A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the...

SUSE CVE-2026-7598

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 manipulation of the argument usernamelen/passwordlen leads to integer overflow. The attack may be launched remotely. The name of the patch is...

libssh2 userauth.c userauth_password integer overflow

...

CVE-2026-7598

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 manipulation of the argument usernamelen/passwordlen leads to integer overflow. The attack may be launched remotely. The name of the patch is...

CVE-2026-7598

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 manipulation of the argument usernamelen/passwordlen leads to integer overflow. The attack may be launched remotely. The name of the patch is...

EUVD-2002-2383

Malware in sbrugna...

CVE-2002-2405

Check Point FireWall-1 4.1 and Next Generation NG, with UserAuth configured to proxy HTTP traffic only, allows remote attackers to pass unauthorized HTTPS, FTP and possibly other traffic through the firewall...

SUSE CVE-2006-4925

packet.c in ssh in OpenSSH allows remote attackers to cause a denial of service crash by sending an invalid protocol sequence with USERAUTHSUCCESS before NEWKEYS, which causes newkeysmode to be NULL...