high7.5
CVE-2021-28902
In function read_yin_container() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NULL.
Impact
In function read_yin_container() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NULL. In some cases, it can be NULL, which leads to the operation of retval->ext[r]->flags that results in a crash.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Cesnet | Libyang | through 1.0.225 |