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

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-2020-1239 · 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-2019-20396

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

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-2019-20398

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-2019-20398

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...

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...

PT-2020-1242 · Libyang · Libyang

Name of the Vulnerable Software and Affected Versions: libyang versions prior to 1.0-r3 Description: A NULL pointer dereference issue is present in the lys extension instances free function due to a copy of unresolved extensions in lys restr dup. This can cause applications that use libyang to...

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-2019-20392

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...

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...

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-2019-20398

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

CVE-2019-20394 affects libyang. The vulnerability is a double-free in yyparse() when a type statement is used inside a notification statement, enabling denial of service and potentially code execution if untrusted YANG input is parsed. Public references in the connected documents identify the aff...

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-2019-20392

The CVE-2019-20392 issue affects libyang prior to v1.0-r1, where resolve_feature_value() can take an invalid memory path when an if-feature is used inside a list key node and the feature is not defined. This can cause application crashes when parsing untrusted YANG input. No exploitation details ...

Fedora Update for libyang FEDORA-2019-dfe0b42bc5

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

libyang security update

0.16.105-3.2 - Related: 1779573 - Fixing a few covscan issues 0.16.105-3.1 - Resolves: 1779573 - CVE-2019-19333 libyang: stack-based buffer overflow in makecanonical when bits leaf type is used - Resolves: 1779576 - CVE-2019-19334 libyang: stack-based buffer overflow in makecanonical when...

libyang: stack-based buffer overflow in make_canonical when bits leaf type is used

A stack-based buffer overflow flaw was discovered in the way libyang parses YANG files with a leaf of type "bits". An application that uses libyang to parse untrusted YANG files may be vulnerable to this flaw, which would allow an attacker to cause a denial of service or execute code...