What is the severity of CVE-2023-26917?

CVE-2023-26917 has been classified as a medium severity vulnerability due to its potential for causing application crashes.

How do I fix CVE-2023-26917?

To remediate CVE-2023-26917, update libyang to version 2.1.31 or higher, which resolves the NULL pointer dereference issue.

What versions of libyang are affected by CVE-2023-26917?

CVE-2023-26917 affects libyang versions from 2.0.164 to 2.1.30.

What is the impact of exploiting CVE-2023-26917?

Exploiting CVE-2023-26917 can lead to application crashes due to NULL pointer dereference.

Is there a workaround for CVE-2023-26917?

There are no recommended workarounds for CVE-2023-26917 other than upgrading to the patched version.

Vulnerability/
CVE-2023-26917

high

7.5

CWE

476

11/4/2023

11/2/2025

CVE-2023-26917: Null Pointer Dereference

First published: Tue Apr 11 2023(Updated: )

libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lysp_stmt_validate_value at lys_parse_mem.c.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
CESNET libyang	>=2.0.164<=2.1.30
	>=2.0.164<=2.1.30

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Reference Links

https://github.com/CESNET/libyang/issues/1987

Frequently Asked Questions

What is the severity of CVE-2023-26917?
CVE-2023-26917 has been classified as a medium severity vulnerability due to its potential for causing application crashes.
How do I fix CVE-2023-26917?
To remediate CVE-2023-26917, update libyang to version 2.1.31 or higher, which resolves the NULL pointer dereference issue.
What versions of libyang are affected by CVE-2023-26917?
CVE-2023-26917 affects libyang versions from 2.0.164 to 2.1.30.
What is the impact of exploiting CVE-2023-26917?
Exploiting CVE-2023-26917 can lead to application crashes due to NULL pointer dereference.
Is there a workaround for CVE-2023-26917?
There are no recommended workarounds for CVE-2023-26917 other than upgrading to the patched version.

agent/type
agent/references
agent/severity
agent/author
agent/description
agent/first-publish-date
collector/nvd-index
agent/software-canonical-lookup-request
agent/weakness
collector/mitre-cve
source/MITRE
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/last-modified-date
agent/source
agent/softwarecombine
agent/tags
agent/event
vendor/cesnet
canonical/cesnet libyang
version/cesnet libyang/2.0.164
version/cesnet libyang/2.1.30

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Frequently Asked Questions

What is the severity of CVE-2023-26917?
CVE-2023-26917 has been classified as a medium severity vulnerability due to its potential for causing application crashes.
How do I fix CVE-2023-26917?
To remediate CVE-2023-26917, update libyang to version 2.1.31 or higher, which resolves the NULL pointer dereference issue.
What versions of libyang are affected by CVE-2023-26917?
CVE-2023-26917 affects libyang versions from 2.0.164 to 2.1.30.
What is the impact of exploiting CVE-2023-26917?
Exploiting CVE-2023-26917 can lead to application crashes due to NULL pointer dereference.
Is there a workaround for CVE-2023-26917?
There are no recommended workarounds for CVE-2023-26917 other than upgrading to the patched version.