CVE-2021-28904

In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.

In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.

En la función ext_get_plugin() en libyang versiones anteriores a v1.0.225 incluyéndola, no comprueba si el valor de la revisión es NULL.&#xa0;Si la revisión es NULL, la operación de strcmp (revisión, ext_plugins[u] .revision) provocará un bloqueo