VDB
CVE-2019-20391
CVE-2019-20391
PUBLISHED
CVSS 6.5 MEDIUM
An invalid memory access flaw is present in libyang before v1.0-r3 in the function resolve_feature_value() when an if-feature statement is used inside a bit. Applications that use libyang to parse untrusted input yang files may crash.
EPSS 1.88% · 79.2th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
1.88%
79.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | libyang | 0, 0.16.105-1, 0.16.105-2 |
Timeline
- Jan 22, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 3, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 5, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Nov 11, 2022 EPSS Score
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1793934 third-party-advisory
- https://github.com/CESNET/libyang/compare/v1.0-r2...v1.0-r3 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-20391 third-party-advisory
- https://ubuntu.com/security/CVE-2019-20391 advisory
- https://github.com/CESNET/libyang/commit/bdb596ddc07596fa212f231135b87d0b9178f6f8 fix
- https://github.com/CESNET/libyang/issues/772 discussion