Vulnerabilities > Cesnet > Libyang > Medium

DATE CVE VULNERABILITY TITLE RISK
2023-04-03 CVE-2023-26916 NULL Pointer Dereference vulnerability in multiple products
libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c.
network
low complexity
cesnet fedoraproject CWE-476
5.3
2021-05-20 CVE-2021-28902 Unchecked Return Value vulnerability in Cesnet Libyang
In function read_yin_container() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NULL.
network
low complexity
cesnet CWE-252
5.0
2021-05-20 CVE-2021-28903 Uncontrolled Recursion vulnerability in Cesnet Libyang
A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem().
network
low complexity
cesnet CWE-674
5.0
2021-05-20 CVE-2021-28904 Unchecked Return Value vulnerability in Cesnet Libyang
In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL.
network
low complexity
cesnet CWE-252
5.0
2021-05-20 CVE-2021-28905 Reachable Assertion vulnerability in Cesnet Libyang
In function lys_node_free() in libyang <= v1.0.225, it asserts that the value of node->module can't be NULL.
network
low complexity
cesnet CWE-617
5.0
2021-05-20 CVE-2021-28906 Unchecked Return Value vulnerability in Cesnet Libyang
In function read_yin_leaf() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NULL.
network
low complexity
cesnet CWE-252
5.0
2020-01-22 CVE-2019-20398 NULL Pointer Dereference vulnerability in Cesnet Libyang
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().
network
low complexity
cesnet CWE-476
6.5
2020-01-22 CVE-2019-20396 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Cesnet Libyang
A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.
network
low complexity
cesnet CWE-119
6.5
2020-01-22 CVE-2019-20395 Uncontrolled Recursion vulnerability in Cesnet Libyang
A stack consumption issue is present in libyang before v1.0-r1 due to the self-referential union type containing leafrefs.
network
low complexity
cesnet CWE-674
6.5
2020-01-22 CVE-2019-20392 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Cesnet Libyang
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined.
network
low complexity
cesnet CWE-119
6.5