CVE-2019-20397
HIGH
8.8
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
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Severity
HIGH8.8
Exploit prediction
EPSS 3%
Description
A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.
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=1793928PatchThird Party Advisory
Source: [email protected]
https://github.com/CESNET/libyang/commit/88bd6c548ba79bce176cd875e9b56e7e0ef4d8d4Third 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
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-415
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