The vulnerability of the ext_get_plugin() function in the syntax analyzer and data modeling tool of YANG Libyang, related to an unvalidated return value, allows a malicious actor to trigger a service failure.

The vulnerability of the extgetplugin function in the syntax analyzer and data modeling tool of the YANG Libyang language is related to the lack of checking for a NULL revision. Exploiting this vulnerability could allow an attacker to cause service failures...