LI
Product
libyang
by CESNET · last CVE Oct 22, 2026
19
CVEs
0
On KEV
9.8
Max CVSS
1
New 30D
Severity mix
Critical 2High 10Medium 7Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2019-20398
6.5
2%
Jan 22
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()
Affected: 0.11; 0.11; 0.12; 0.12; 0.13; 0.13; +7 more
CVE-2019-20396
6.5
2%
Jan 22
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
Affected: 0.11; 0.11; 0.12; 0.12; 0.13; 0.13; +5 more
CVE-2019-20395
6.5
2%
Jan 22
A stack consumption issue is present in libyang before v1.0-r1 due to the self-referential union type containing leafrefs
Affected: 0.11; 0.11; 0.12; 0.12; 0.13; 0.13; +5 more
CVE-2019-20392
6.5
2%
Jan 22
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…
Affected: 0.11; 0.11; 0.12; 0.12; 0.13; 0.13; +5 more
CVE-2019-20391
6.5
2%
Jan 22
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit
Affected: 0.11; 0.11; 0.12; 0.12; 0.13; 0.13; +7 more
CVE-2026-115327
5.3
0%
Oct 22
libyang through 6.4.13 Uninitialized Pointer Free in NETCONF RPC Parser
Affected: through 6.4.13
CVE-2023-26916
5.3
1%
Apr 3
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
Affected: 2.0.164 through 2.1.30
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