CVE-2019-20392
6.5
MEDIUM
CVSS 3.1
EPSS 0.15%
Description
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.
How to fix CVE-2019-20392
To remediate CVE-2019-20392, upgrade the affected package to a fixed version below.
- Debian/libyang—upgrade to 1.0.176-1 or later
Is CVE-2019-20392 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.0.176-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |