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...

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-2019-20391

CVE-2019-20391 affects libyang before v1.0-r3. The flaw is an invalid memory access in resolve_feature_value() when an if-feature statement is used inside a bit, which may cause a crash when parsing untrusted YANG input. Impact details in sources indicate potential denial of service with crashes;...

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...

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...

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...

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-2019-20396: Improper Restriction of Operations within the Bounds of a Memory Buffer

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

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...

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

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-2019-20391

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...

PT-2020-1239 · Libyang · Libyang

Name of the Vulnerable Software and Affected Versions: libyang versions prior to 1.0-r1 Description: A stack consumption issue is present due to the self-referential union type containing leafrefs. Applications that use libyang to parse untrusted input yang files may crash. Recommendations: For...

CVE-2019-20392: Improper Restriction of Operations within the Bounds of a Memory Buffer

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...

CVE-2019-20393

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-2019-20397

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...

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...

CVE-2019-20393

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-2019-20391: Improper Restriction of Operations within the Bounds of a Memory Buffer

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...

CVE-2019-20398

CVE-2019-20398 concerns a NULL pointer dereference in libyang in the function lys_extension_instances_free(), caused by copying unresolved extensions in lys_restr_dup() for libyang builds before v1.0-r3. Affected software may crash when parsing untrusted YANG inputs. Remediation references across...