CVE-2021-28902

Published: May 20, 2021Modified: Nov 21, 2024

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

In function read_yin_container() 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.

Affected (1)

Products: Cesnet: Libyang

Cesnet

1 product

Libyang

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Cesnet Libyang	Up to 1.0.225

Related CWEs

CWE-252

Unchecked Return Value

The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.

References (4)

https://github.com/CESNET/libyang/issues/1454

Source: cve@mitre.org

ExploitIssue TrackingThird Party Advisory

https://security.gentoo.org/glsa/202107-54

Source: cve@mitre.org

Third Party Advisory

https://github.com/CESNET/libyang/issues/1454

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingThird Party Advisory

https://security.gentoo.org/glsa/202107-54

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.