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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-3572-1 libyang security update
EUVD EUVD EUVD-2019-10947 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.
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:39:09.895Z

Reserved: 2020-01-22T00:00:00

Link: CVE-2019-20397

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-01-22T22:15:10.550

Modified: 2024-11-21T04:38:23.337

Link: CVE-2019-20397

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-03-28T00:00:00Z

Links: CVE-2019-20397 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses