Upstream information

CVE-2019-20396 at MITRE

Description

A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v2 Scores
CVSS detail National Vulnerability Database
Base Score 4.3
Vector AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
No SUSE Bugzilla entries cross referenced.

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
SUSE Liberty Linux 8
  • libyang >= 1.0.184-1.el8
Patchnames:
RHEA-2021:1906


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Performance Computing 15 SP4 libyang Analysis
SUSE Linux Enterprise High Performance Computing 15 SP5 libyang Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP4 libyang Analysis
SUSE Linux Enterprise Module for Server Applications 15 SP5 libyang Analysis
SUSE Linux Enterprise Server 15 SP4 libyang Analysis
SUSE Linux Enterprise Server 15 SP5 libyang Analysis
SUSE Manager Proxy 4.3 libyang Analysis
SUSE Manager Retail Branch Server 4.3 libyang Analysis
SUSE Manager Server 4.3 libyang Analysis
Products past their end of life and not receiving proactive updates anymore.
SUSE Enterprise Storage 7.1 libyang Unsupported
SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS libyang Analysis
SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS libyang Analysis
SUSE Linux Enterprise Real Time 15 SP3 libyang Unsupported
SUSE Linux Enterprise Server 15 SP3-LTSS libyang Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP3 libyang Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP4 libyang Analysis
SUSE Linux Enterprise Server for SAP Applications 15 SP5 libyang Analysis
SUSE Manager Proxy 4.2 libyang Unsupported
SUSE Manager Retail Branch Server 4.2 libyang Unsupported
SUSE Manager Server 4.2 libyang Unsupported


SUSE Timeline for this CVE

CVE page created: Thu Jan 23 03:17:57 2020
CVE page last modified: Mon Apr 13 16:50:55 2026