VULNERABILITY INTELLIGENCE

CVE-2021-4021

CVSS score7.5 HIGH

EPSS probability1.07%

CISA KEVNot currently listed

Published2022-02-24

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled resource consumption and DoS.

Weakness classification

patrick@puiterwijk.org: CWE-400
nvd@nist.gov: CWE-834

Primary references

patrick@puiterwijk.org — Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory