CVE-2019-20392
MEDIUM
6.5
CVSS Score
Published: January 22, 2020 at 12:00 AM UTC
Updated: June 17, 2026 at 02:30 AM UTC
1 product affected across 1 vendorLibyang
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
Issue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1793922PatchThird Party Advisory
Source: [email protected]
https://github.com/CESNET/libyang/commit/32fb4993bc8bb49e93e84016af3c10ea53964be5Third Party Advisory
Source: [email protected]
https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card