CVE-2021-28904
First published: Thu May 20 2021(Updated: )
In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cesnet Libyang | <=1.0.225 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-28904?
CVE-2021-28904 is a vulnerability in function ext_get_plugin() in libyang <= v1.0.225 that can lead to a crash due to a lack of NULL value check for the revision.
How severe is CVE-2021-28904?
CVE-2021-28904 has a severity value of 7.5, categorized as high.
What software versions are affected by CVE-2021-28904?
Versions up to and including 1.0.225 of Cesnet Libyang are affected by CVE-2021-28904.
Is there a reference for CVE-2021-28904?
References for CVE-2021-28904 can be found at the CESNET Libyang GitHub page and the Gentoo Security Advisory.
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