VDB
CVE-2021-28903
CVE-2021-28903
PUBLISHED
CVSS 7.5 HIGH
A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxml_parse_elem() function will be called recursively, which will consume stack space and lead to crash.
EPSS 2.43% · 83.6th 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
2.43%
83.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | libyang | 0, 1.0.225-1.1 |
| Ubuntu:20.04:LTS | libyang | 0.16.105-1, 0.16.105-2, 0.16.105-3build1 |
Timeline
- May 20, 2021 CVE Published
- May 21, 2021 EPSS Score
- Jul 24, 2021 EPSS Score
- Sep 23, 2021 EPSS Score
- Oct 10, 2021 EPSS Score
- Nov 24, 2021 EPSS Score
- Jan 25, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 27, 2022 EPSS Score
- May 28, 2022 EPSS Score
- Jul 30, 2022 EPSS Score
- Sep 30, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-28903 third-party-advisory
- https://github.com/CESNET/libyang/issues/1453 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-28903 third-party-advisory