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,...

The vulnerability of the chacha20_poly1305_set_key() function in the libssh library, which allows a hacker to disclose sensitive information

The vulnerability of the chacha20poly1305setkey function in the libssh library is related to the lack of checking for the returned value. Exploiting this vulnerability could allow a malicious actor to disclose the protected information...

UBUNTU-CVE-2025-4877

There's a vulnerability in the libssh package where when a libssh consumer passes in an unexpectedly large input buffer to sshgetfingerprinthash function. In such cases the bintobase64 function can experience an integer overflow leading to a memory under allocation, when that happens it's possibl...

CLSA-2025-1749821936 openssh: Fix of CVE-2025-32728

CVE-2025-32728: fix logic error in DisableForwarding option...

Vulnerabilities fixed in IBM MQ

IBM has fixed multiple vulnerabilities in supporting software supplied with IBM MQ. The vulnerabilities are in gzip, jackson-databind, libssh, gnutls, nettle and zlib and have been previously fixed in the individual products. A malicious party could potentially exploit the vulnerabilities to gain...

USN-4447-1 libssh vulnerability

It was discovered that libssh incorrectly handled certain requests. An attacker could possibly use this issue to cause a denial of service...

UBUNTU-CVE-2017-18594

nselibssh2.cc in Nmap 7.70 is subject to a denial of service condition due to a double free when an SSH connection fails, as demonstrated by a leading \n character to ssh-brute.nse or ssh-auth-methods.nse...

libssh2 out-of-bounds read vulnerability (CNVD-2019-07803)

libssh2 is a client-side C library that implements the SSH2 protocol, which is capable of executing remote commands, file transfers, and providing a secure transmission channel for remote programs. The 'libssh2packetrequire' and 'libssh2packetrequirev' functions in libssh2 have an out-of-bounds...