Medium: libssh

Issue Overview: The privatekeyfromfile uses an uninitialized variable under certain conditions, such as if the file specified by the filename argument doesn't exist. This causes the code to return an invalid private key. This defect, in turn, might cause signing failure. The bug might also cause ...

Amazon Linux 2023 : libssh, libssh-config, libssh-devel (ALAS2023-2025-1155)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1155 advisory. The privatekeyfromfile uses an uninitialized variable under certainconditions, such as if the file specified by the filename argument doesn'texist. This causes the code to return an invalid...

Security update for libssh

This update for libssh fixes the following issues: CVE-2025-5372: sshkdf returns a success code on certain failures bsc1245314 CVE-2025-5987: Invalid return code for chacha20 poly1305 with OpenSSL backend bsc1245317 CVE-2025-4877: Write beyond bounds in binary to base64 conversion functions...

Security update for libssh

This update for libssh fixes the following issues: CVE-2025-5372: sshkdf returns a success code on certain failures bsc1245314 CVE-2025-5987: Invalid return code for chacha20 poly1305 with OpenSSL backend bsc1245317 CVE-2025-4877: Write beyond bounds in binary to base64 conversion functions...

USN-7696-1 libssh vulnerabilities

Ronald Crane discovered that libssh incorrectly handled certain base64 conversions. An attacker could use this issue to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2025-4877 Ronald Crane discovered that libssh incorrectly handled the...

USN-7696-1: libssh vulnerabilities

Ronald Crane discovered that libssh incorrectly handled certain base64 conversions. An attacker could use this issue to cause libssh to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2025-4877 Ronald Crane discovered that libssh incorrectly handled the...

Security update for libssh

This update for libssh fixes the following issues: CVE-2025-4877: Fixed write beyond bounds in binary to base64 conversion functions bsc1245309. CVE-2025-4878: Fixed use of uninitialized variable in privatekeyfromfile bsc1245310. CVE-2025-5318: Fixed likely read beyond bounds in sftp server handl...

Check Point Response to CVE-2025-3831 - Exposed SFTP server

Cause The agent used a shared SFTP key embedded in the software to upload diagnostic logs. The key was granted permission to read and list files on the server, rather than restricted to upload-only access. As a result, anyone possessing the key could access log files uploaded by other customers...

CVE-2025-5449

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

DEBIAN-CVE-2025-5449

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

CVE-2025-5449

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

CVE-2025-5449 Libssh: integer overflow in libssh sftp server packet length validation leading to denial of service

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

CVE-2025-5449

CVE-2025-5449 affects libssh’s SFTP server message decoding. The root cause is an integer overflow caused by an incorrect packet length check, enabling overflow when processing large payloads on 32-bit systems. This leads to a failed memory allocation and can crash the server process, causing a d...

CVE-2025-5449 Libssh: integer overflow in libssh sftp server packet length validation leading to denial of service

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

CVE-2025-5449 Libssh: integer overflow in libssh sftp server packet length validation leading to denial of service

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

CVE-2025-5449

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

CVE-2025-5449

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

CVE-2025-5449: Integer Overflow or Wraparound

A flaw was found in the SFTP server message decoding logic of libssh. The issue occurs due to an incorrect packet length check that allows an integer overflow when handling large payload sizes on 32-bit systems. This issue leads to failed memory allocation and causes the server process to crash,...

Libssh: out-of-bounds read in sftp_handle()

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Security update for libssh

This update for libssh fixes the following issues: CVE-2025-4877: Fixed write beyond bounds in binary to base64 conversion functions bsc1245309. CVE-2025-4878: Fixed use of uninitialized variable in privatekeyfromfile bsc1245310. CVE-2025-5318: Fixed likely read beyond bounds in sftp server handl...