CVE-2021-4021

HIGH

radare2 < 5.5.0 - Uncontrolled Resource Consumption via ELF64 MIPS Section Mapping

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.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/radareorg/radare2/issues/19436

Scores

CVSS v3 7.5
EPSS 0.0102
EPSS Percentile 58.8%
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