CVEvulnerability
CVE-2021-28906
7.5 HIGH
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_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.
Affected configurations
• cesnet libyang (<= 1.0.225)
Related
Weakness · CWE (1)
- CWE-252 Unchecked Return Value weakness
References
- https://github.com/CESNET/libyang/issues/1455 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202107-54 Third Party Advisory
- https://github.com/CESNET/libyang/issues/1455 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202107-54 Third Party Advisory