CVE-2021-4021

HIGH

Radare2 <5.6.2-5.5.4 - DoS

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.5
EPSS 0.0044
EPSS Percentile 63.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400 CWE-834
Status published
Products (1)
radare/radare2 < 5.5.0
Published Feb 24, 2022
Tracked Since Feb 18, 2026