What is the severity of CVE-2021-28905?

CVE-2021-28905 is rated as a high severity vulnerability due to its potential to trigger assertion failures.

How do I fix CVE-2021-28905?

To fix CVE-2021-28905, upgrade to libyang version 1.0.226 or later.

What software is affected by CVE-2021-28905?

CVE-2021-28905 affects libyang versions up to and including 1.0.225.

What could be the impact of exploiting CVE-2021-28905?

Exploiting CVE-2021-28905 can result in application crashes due to assertion failures.

Is CVE-2021-28905 a remote or local vulnerability?

CVE-2021-28905 is primarily a local vulnerability since it affects the internals of the libyang library.

Vulnerability/
CVE-2021-28905

high

7.5

CWE

617

20/5/2021

3/8/2024

CVE-2021-28905

First published: Thu May 20 2021(Updated: )

In function lys_node_free() in libyang <= v1.0.225, it asserts that the value of node->module can't be NULL. But in some cases, node->module can be null, which triggers a reachable assertion (CWE-617).

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
CESNET libyang	<=1.0.225

Remedy

https://github.com/CESNET/libyang/issues/1452

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-28905?
CVE-2021-28905 is rated as a high severity vulnerability due to its potential to trigger assertion failures.
How do I fix CVE-2021-28905?
To fix CVE-2021-28905, upgrade to libyang version 1.0.226 or later.
What software is affected by CVE-2021-28905?
CVE-2021-28905 affects libyang versions up to and including 1.0.225.
What could be the impact of exploiting CVE-2021-28905?
Exploiting CVE-2021-28905 can result in application crashes due to assertion failures.
Is CVE-2021-28905 a remote or local vulnerability?
CVE-2021-28905 is primarily a local vulnerability since it affects the internals of the libyang library.

agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/severity
agent/weakness
agent/remedy
agent/author
agent/last-modified-date
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/cesnet
canonical/cesnet libyang
version/cesnet libyang/1.0.225

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Frequently Asked Questions

What is the severity of CVE-2021-28905?
CVE-2021-28905 is rated as a high severity vulnerability due to its potential to trigger assertion failures.
How do I fix CVE-2021-28905?
To fix CVE-2021-28905, upgrade to libyang version 1.0.226 or later.
What software is affected by CVE-2021-28905?
CVE-2021-28905 affects libyang versions up to and including 1.0.225.
What could be the impact of exploiting CVE-2021-28905?
Exploiting CVE-2021-28905 can result in application crashes due to assertion failures.
Is CVE-2021-28905 a remote or local vulnerability?
CVE-2021-28905 is primarily a local vulnerability since it affects the internals of the libyang library.