CVE-2021-28904

PoC —

CVSS 3.1

7.5 high

EPSS

1%p71

Published

May 20, 2021 (May 20, 2021)

Modified

Jun 17, 2026

Description

In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.

Vendors: cesnet
Products: libyang
Weakness: CWE-252
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.4%)

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