CVE-2021-28906

High

Description

In function read_yin_leaf() in libyang <= v1.0.225, it doesn't check whether the value of retval->ext[r] is NULL. In some cases, it can be NULL, which leads to the operation of retval->ext[r]->flags that results in a crash.

SeverityHigh

CVSS7.5

Exploit probability—

ProductCesnet Libyang

PublishedMay 20, 2021

First seenMay 20, 2021

How to fix

Vendor advisories

security.gentoo.org/glsa/202107-54

Affected products

Product	Affected versions	Fixed in
cesnet libyang	v ≤ 1.0.225	—

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