Name: CVE-2019-20392: Improper Restriction of Operations within the Bounds of a Memory Buffer
Creator: Rapid7
Published: 2020-01-22T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2019-20392, CWE-119, CVSS 6.5, EPSS 0.01876

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.

CVSS Details

CVSS 3.1 Base Score: 6.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade libyang	Sep 21, 2023	Jan 22, 2020
Ubuntu	—	No solution exists	Jun 26, 2025	Jan 22, 2020

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CVSS Details

Covered by Rapid7

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