VDB
CVE-2019-20392
CVE-2019-20392
PUBLISHED
CVSS 6.5 MEDIUM
An invalid memory access flaw is present in libyang before v1.0-r1 in the function resolve_feature_value() when an if-feature statement is used inside a list key node, and the feature used is not defined. 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, 0.16.105-3 |
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=1793922 third-party-advisory
- https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-20392 third-party-advisory
- https://ubuntu.com/security/CVE-2019-20392 advisory
- https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5 fix
- https://github.com/CESNET/libyang/issues/723 discussion