VULNERABILITY INTELLIGENCE
CVE-2019-20394
CVSS score8.8 HIGH
EPSS probability2.81%
CISA KEVNot currently listed
Published2020-01-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Description
A double-free is present in libyang before v1.0-r3 in the function yyparse() when a type statement in used in a notification statement. 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.
Weakness classification
- CWE-415: Double Free
Primary references
- cve@mitre.org — Issue Tracking, Patch, Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108