CVEvulnerability

CVE-2021-28902

7.5 HIGH Published 2021-05-20 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-20
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-252

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 configurations

• cesnet libyang (<= 1.0.225)

Related

Weakness · CWE (1)

  • CWE-252 Unchecked Return Value weakness

References