PulseLinuxLINUX UPDATE INTELLIGENCE
CVE Database›Document archive›CVE-2019-20393

CVE-2019-20393

libyang: double-free in function yyparse() when empty description is used

Loading…

Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · March 29, 2019

Updated · November 22, 2025

Description

A double-free flaw occurs in libyang in function yyparse() when an empty description is used. Applications that use libyang to process untrusted input YANG files may be vulnerable to this flaw, possibly causing a crash or potential code execution.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-416 · Use After Free