PT-2023-9144

Name of the Vulnerable Software and Affected Versions: libyang versions 2.0.164 through 2.1.30 Description: The issue is related to a NULL pointer dereference in the lys parse mem function of the libyang library, which is used for YANG data modeling language parsing. This could allow a remote...

SUSE CVE-2019-19333

In all versions of libyang before 1.0-r5, a stack-based buffer overflow 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...

SUSE CVE-2019-19334

In all versions of libyang before 1.0-r5, a stack-based buffer overflow 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...

SUSE 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...

SUSE 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...

SUSE 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...

SUSE 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...

SUSE 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...

SUSE 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...

SUSE 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...

SUSE CVE-2021-28902

In function readyincontainer in libyang extr is NULL. In some cases, it can be NULL, which leads to the operation of retval-extr-flags that results in a crash...

SUSE CVE-2021-28903

A stack overflow in libyang = v1.0.225 can cause a denial of service through function lyxmlparsemem. lyxmlparseelem function will be called recursively, which will consume stack space and lead to crash...

SUSE CVE-2021-28904

In function extgetplugin in libyang = v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmprevision, extpluginsu.revision will lead to a crash...

SUSE CVE-2021-28905

In function lysnodefree in libyang module can't be NULL. But in some cases, node-module can be null, which triggers a reachable assertion CWE-617...

SUSE CVE-2021-28906

In function readyinleaf in libyang extr is NULL. In some cases, it can be NULL, which leads to the operation of retval-extr-flags that results in a crash...

libyang bug fix and enhancement update

An update is available for libyang. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky Linux 9.1...

SUSE SLES15: libyang-cpp-devel / libyang-cpp1 / libyang-devel / libyang-doc / etc (SUSE-SU-2022:3245-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3245-1 advisory. - CVE-2021-28906: Fixed missing check in readyinleaf that can lead to DoS bsc1186378 - CVE-2021-28904: Fixed missing...

SUSE: Security Advisory (SUSE-SU-2022:3245-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG 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-only ifdescription...

openSUSE: Security Advisory for libyang (SUSE-SU-2022:3245-1)

The remote host is missing an update for the Copyright C 2022 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...

SUSE-SU-2022:3245-1 Security update for libyang

This update for libyang fixes the following issues: - CVE-2021-28906: Fixed missing check in readyinleaf that can lead to DoS bsc1186378 - CVE-2021-28904: Fixed missing check in extgetplugin that lead to DoS bsc1186376. - CVE-2021-28903: Fixed stack overflow in lyxmlparsemem bsc1186375. -...