AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-4022

MEDIUM · CVSS 5.5 EPSS 0.29% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-08-25 · 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

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

CVE
CVE-2021-4022
Severity
MEDIUM
CVSS
5.5
EPSS
0.29%

Original NVD Description

A vulnerability was found in rizin. The bug involves an ELF64 binary for the HPPA architecture. When a specially crafted binarygets analysed by rizin, it causes rizin to crash by freeing an uninitialized (and potentially user controlled, depending on the build) memory address.