CVE-2021-28905: High severity cesnet vulnerability
Published May 20, 2021
·Updated
In function lysnodefree() 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).
Affected Software
1 affected component
CESNET libyang<=1.0.225
Remediation
Patch Available
Event History
May 20, 2021
CVE Published
via MITRE·06:36 PM
Data Sourced
via MITRE·06:36 PM
Description
Frequently Asked Questions
1
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.
2
How do I fix CVE-2021-28905?
To fix CVE-2021-28905, upgrade to libyang version 1.0.226 or later.
3
What software is affected by CVE-2021-28905?
CVE-2021-28905 affects libyang versions up to and including 1.0.225.
4
What could be the impact of exploiting CVE-2021-28905?
Exploiting CVE-2021-28905 can result in application crashes due to assertion failures.
5
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.