VDB
CVE-2021-28904
CVE-2021-28904
PUBLISHED
CVSS 7.5 HIGH
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.
EPSS 1.41% · 72.2th 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
1.41%
72.2th 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 27, 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-2021-28904 advisory
- https://github.com/CESNET/libyang/issues/1451 discussion
- https://www.cve.org/CVERecord?id=CVE-2021-28904 third-party-advisory