CVE-2021-28902
First published: Thu May 20 2021(Updated: )
In function read_yin_container() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NULL. In some cases, it can be NULL, which leads to the operation of retval->ext[r]->flags that results in a crash.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| CESNET | <=1.0.225 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-28902?
CVE-2021-28902 has been rated as a high severity vulnerability due to potential crashes in affected systems.
How do I fix CVE-2021-28902?
To fix CVE-2021-28902, update your libyang library to version 1.0.226 or later.
What systems are affected by CVE-2021-28902?
CVE-2021-28902 affects libyang versions up to and including 1.0.225.
What are the consequences of exploiting CVE-2021-28902?
Exploiting CVE-2021-28902 can lead to application crashes potentially causing denial of service.
Is there a workaround for CVE-2021-28902?
Currently, there is no established workaround for CVE-2021-28902, updating the software is the recommended approach.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
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- agent/last-modified-date
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- agent/first-publish-date
- agent/event
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- agent/softwarecombine
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- agent/software-canonical-lookup-request
- vendor/cesnet
- canonical/cesnet
- version/cesnet/1.0.225