CVE-2019-20398
Medium
Description
A NULL pointer dereference is present in libyang before v1.0-r3 in the function lys_extension_instances_free() due to a copy of unresolved extensions in lys_restr_dup(). Applications that use libyang to parse untrusted input yang files may crash.
SeverityMedium
CVSS6.5
Exploit probability—
ProductCesnet Libyang
PublishedJan 22, 2020
First seenJan 22, 2020
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cesnet libyang | 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 1.0 | — |
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