VDB
CVE-2021-28903
CVE-2021-28903
PUBLISHED
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 0.46% · 64.2th percentile
Risk Scores
EPSS Score
0.46%
64.2th 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 23, 2021 EPSS Score
- Sep 23, 2021 EPSS Score
- Oct 10, 2021 EPSS Score
- Nov 23, 2021 EPSS Score
- Jan 24, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 26, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 28, 2022 EPSS Score
- Sep 27, 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