CVE-2021-28906
First published: Thu May 20 2021(Updated: )
In function read_yin_leaf() 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 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-28906?
CVE-2021-28906 has been assigned a medium severity rating due to the potential for application crashes.
How do I fix CVE-2021-28906?
To fix CVE-2021-28906, upgrade libyang to version 1.0.226 or later, which contains the necessary security patches.
What software is affected by CVE-2021-28906?
CVE-2021-28906 affects libyang versions up to and including 1.0.225.
What are the potential consequences of CVE-2021-28906?
The consequences of CVE-2021-28906 include application crashes that can disrupt service continuity.
Is CVE-2021-28906 exploitable remotely?
CVE-2021-28906 may be exploitable remotely depending on how libyang is integrated into applications exposed to untrusted input.
- agent/references
- agent/type
- 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
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cesnet
- canonical/cesnet
- version/cesnet/1.0.225