CVE-2021-28902

Katalog CVE

CVSS 7.5 · High EPSS 1,6%

Kerentanan Unchecked Return Value pada cesnet libyang. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

20 Mei 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-252: Unchecked Return Value

EPSS (30 hari)

1,6% peluang dieksploitasi; lebih tinggi dari 74,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/CESNET/libyang/issues/1454 exploit · issue tracking · advisory pihak ketiga
• https://security.gentoo.org/glsa/202107-54 advisory pihak ketiga