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Case File

CVE-2021-28906

HIGH · CVSS 7.5 EPSS 1.57% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-20 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-28906
Severity
HIGH
CVSS
7.5
EPSS
1.57%

Original NVD 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.