VDB
CVE-2021-28905
CVE-2021-28905
PUBLISHED
CVSS 7.5 HIGH
In function lys_node_free() 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).
EPSS 1.42% · 72.5th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.42%
72.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | libyang | 0, 0.16.105-1, 0.16.105-2 |
Timeline
- May 20, 2021 CVE Published
- May 21, 2021 EPSS Score
- Jul 24, 2021 EPSS Score
- Jul 25, 2021 EPSS Score
- Oct 10, 2021 EPSS Score
- Nov 25, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Jan 26, 2022 EPSS Score
- Mar 30, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 31, 2022 EPSS Score
- Aug 2, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-28905 advisory
- https://github.com/CESNET/libyang/issues/1452 discussion
- https://www.cve.org/CVERecord?id=CVE-2021-28905 third-party-advisory