CVE-2021-4021

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Source
https://cve.org/CVERecord?id=CVE-2021-4021
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-4021.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-4021
Downstream
Published
2022-02-24T19:15:09.533Z
Modified
2026-04-16T00:11:08.606235850Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

Affected packages

Git / github.com/radareorg/radare2

Affected ranges

Type
GIT
Repo
https://github.com/radareorg/radare2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
ab6353c5c9e5578a8080c071d01e28f8b7e06d0e
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.5.0"
        }
    ],
    "cpe": "cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*",
    "source": "CPE_FIELD"
}

Affected versions

0.*
0.10.0
0.10.1
0.10.2
0.10.3
0.10.4
0.10.4-termux4
0.10.5
0.10.6
0.8.6
0.8.8
0.9
0.9.2
0.9.4
0.9.6
0.9.7
0.9.8
0.9.8-rc1
0.9.8-rc2
0.9.8-rc3
0.9.8-rc4
0.9.9
1.*
1.0
1.0.0
1.0.1
1.0.2
1.1.0
1.2.0
1.2.0-git
1.3.0
1.3.0-git
1.4.0
1.5.0
1.6.0
2.*
2.0.0
2.0.1
2.1.0
2.2.0
2.4.0
2.5.0
2.6.0
2.6.9
2.7.0
2.8.0
2.9.0
3.*
3.0.0
3.0.1
3.1.0
3.1.1
3.1.2
3.1.3
3.2.0
3.2.1
3.3.0
3.4.0
3.4.1
3.5.0
3.5.1
3.6.0
3.7.0
3.7.1
3.8.0
3.9.0
4.*
4.0.0
4.1.0
4.1.1
4.2.0
4.2.1
4.3.0
4.3.1
4.4.0
4.5.1
5.*
5.0.0
5.1.0
5.1.1
5.2.0
5.2.1
5.3.0
5.3.1
5.4.0
5.4.0-git
5.4.2
5.5.0
Other
Continuous-Windows
continuous
radare2-windows-nightly
termux
release-5.*
release-5.0.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-4021.json"