PYSEC-2020-164

An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolvefeaturevalue when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash...

UBUNTU-CVE-2019-20395

A stack consumption issue is present in libyang before v1.0-r1 due to the self-referential union type containing leafrefs. Applications that use libyang to parse untrusted input yang files may crash...

UBUNTU-CVE-2019-20391

An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolvefeaturevalue when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash...

PYSEC-2020-185

A double-free is present in libyang before v1.0-r1 in the function yyparse when an empty description is used. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution...

CVE-2019-20398

A NULL pointer dereference is present in libyang before v1.0-r3 in the function lysextensioninstancesfree due to a copy of unresolved extensions in lysrestrdup. Applications that use libyang to parse untrusted input yang files may crash...

CVE-2019-20394

A double-free is present in libyang before v1.0-r3 in the function yyparse when a type statement in used in a notification statement. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution...

UBUNTU-CVE-2019-20397

A double-free is present in libyang before v1.0-r1 in the function yyparse when an organization field is not terminated. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution...

PYSEC-2020-186

A double-free is present in libyang before v1.0-r3 in the function yyparse when a type statement in used in a notification statement. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution...

UBUNTU-CVE-2019-20396

A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lysparsepath parsing...

PYSEC-2020-168

A stack consumption issue is present in libyang before v1.0-r1 due to the self-referential union type containing leafrefs. Applications that use libyang to parse untrusted input yang files may crash...

PYSEC-2020-165

An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolvefeaturevalue when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash...

PYSEC-2020-171

A NULL pointer dereference is present in libyang before v1.0-r3 in the function lysextensioninstancesfree due to a copy of unresolved extensions in lysrestrdup. Applications that use libyang to parse untrusted input yang files may crash...

CVE-2019-20395

The CVE-2019-20395 entry concerns libyang, a C library for YANG data modeling. A stack consumption issue occurs in libyang before v1.0-r1 due to a self-referential union type containing leafrefs; applications that parse untrusted YANG input may crash. The vulnerability affects libyang’s parsing p...

PT-2020-1241 · Libyang · Libyang

Name of the Vulnerable Software and Affected Versions: libyang versions prior to v1.0-r1 Description: A double-free issue is present in the yyparse function when an organization field is not terminated, potentially causing a crash or code execution. This affects applications that use libyang to...

PT-2020-1240 · Libyang · Libyang

Name of the Vulnerable Software and Affected Versions: libyang versions prior to v1.0-r1 Description: A segmentation fault is present in yyparse due to a malformed pattern statement value during lys parse path parsing. Recommendations: For versions prior to v1.0-r1, update to v1.0-r1 or later to...

CVE-2019-20393

The CVE-2019-20393 issue affects the libyang library (yyparse function) where a double-free occurs when parsing an empty description. Affected versions are libyang before v1.0-r1. Impact described as a crash or potentially code execution in applications that parse untrusted YAML input. The proble...

PT-2020-1236 · Libyang · Libyang

Name of the Vulnerable Software and Affected Versions: libyang versions prior to v1.0-r3 Description: An invalid memory access flaw is present in the function resolve feature value when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files...

CVE-2019-20394

A double-free is present in libyang before v1.0-r3 in the function yyparse when a type statement in used in a notification statement. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution...

CVE-2019-20396

The CVE-2019-20396 issue affects libyang up to version 1.0-r1, causing a segmentation fault in yyparse due to a malformed pattern value during lys_parse_path parsing. This vulnerability is rooted in input validation within the parser toolkit. The available connected information specifies the affe...

CVE-2019-20392

An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolvefeaturevalue when an if-feature statement is used inside a list key node, and the feature used is not defined. Applications that use libyang to parse untrusted input yang files may crash...