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-2019-20392

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-2019-20394

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-2019-20395

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-2019-20396

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

CVE-2019-20396

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

PT-2020-1242 · 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...

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...

Important: Red Hat Security Advisory: libyang security update

An update for libyang is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

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

A stack-based buffer overflow flaw was discovered in the way libyang parses YANG files with a leaf of type "identityref". 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...

Important: libyang security update

The libyang package provides a library for YANG data modeling language. libyang is a YANG data modelling language parser and toolkit written and providing API in C. The library is used e.g. in libnetconf2, Netopeer2, sysrepo and FRRouting projects. Security Fixes: libyang: stack-based buffer...

RHEL 8 : libyang (RHSA-2019:4360)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2019:4360 advisory. The libyang package provides a library for YANG data modeling language. libyang is a YANG data modelling language parser and toolkit written...

Fedora Update for libyang FEDORA-2019-9d83929ffa

The remote host is missing an update for the Copyright C 2019 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...

[SECURITY] Fedora 30 Update: libyang-1.0.101-1.fc30

Libyang is YANG data modeling language parser and toolkit written and providing API in C...

[SECURITY] Fedora 31 Update: libyang-1.0.101-1.fc31

Libyang is YANG data modeling language parser and toolkit written and providing API in C...

Fedora 30 : libyang (2019-9d83929ffa)

Rebase to version 1.0.101 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. C Tenable Network...

Fedora 31 : libyang (2019-dfe0b42bc5)

Rebase to version 1.0.101 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. C Tenable Network...

libyang buffer overflow vulnerability (CNVD-2019-45325)

libyang is a YANG data modeling language parser and toolkit written in C. It can be used as a toolkit for data modeling. A buffer overflow vulnerability exists in versions prior to libyang 1.0-r5. The vulnerability stems from a networked system or product that performs operations in memory withou...