CVE-2021-4021

HIGH
7.5
CVSS Score
Published: February 24, 2022 at 06:50 PM UTC
Updated: June 17, 2026 at 04:18 AM UTC
2 products affected across 2 vendorsRADARE2RADARE2

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Severity
HIGH7.5
Exploit prediction
EPSS 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitIssue TrackingThird Party Advisory
https://github.com/radareorg/radare2/issues/19436

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400CWE-834

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