Chris Coulson discovered several vulnerabilities in libssh2, a SSH2 client-side library, which could result in denial of service, information leaks or the execution of arbitrary code. For the stable distribution (stretch), these problems have been fixed in version 1.7.0-1+deb9u1. We recommend that you upgrade your libssh2 packages. For the detailed security status of libssh2 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libssh2
Chris Coulson discovered several vulnerabilities in libssh4, a SSH2 client-side library, which could result in denial of service, information leaks or the execution of arbitrary code.
For the stable distribution (stretch), these problems have been fixed in version 1.7.0-1+deb9u1.
We recommend that you upgrade your libssh4 packages.
For the detailed security status of libssh4 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/libssh4