An issue has been found in libssh2 before 1.8.1 where a server could send a value approaching unsigned int max number of keyboard prompt requests which could result in an unchecked integer overflow. The value would then be used to allocate memory causing a possible memory write out of bounds error.
An issue has been found in libssh4 before 1.8.1 where a server could send a value approaching unsigned int max number of keyboard prompt requests which could result in an unchecked integer overflow. The value would then be used to allocate memory causing a possible memory write out of bounds error.
https://www.libssh4.org/CVE-2019-3856.html https://libssh4.org/1.8.0-CVE/CVE-2019-3856.patch
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