CVE-2021-32494

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-32494
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32494.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-32494
Downstream
Published
2023-07-07T19:15:09.507Z
Modified
2025-11-17T04:11:49.441243Z
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

Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create malicious inputs that can cause denial of service.

References

Affected packages

Git / github.com/radare/radare2

Affected ranges

Type
GIT
Repo
https://github.com/radare/radare2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected

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
Fixed
a07dedb804a82bc01c07072861942dd80c6b6d62

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

Other

Continuous-Windows
continuous
radare2-windows-nightly
termux

release-5.*

release-5.0.0

Database specific

vanir_signatures

[
    {
        "signature_type": "Line",
        "deprecated": false,
        "id": "CVE-2021-32494-2834f321",
        "digest": {
            "line_hashes": [
                "211921345178114093370428947692498009900",
                "154239016323387656120110791473062974521",
                "197634429748365036978182416865077052005",
                "211074051710044500989675597504644777329",
                "217178479459434555199088203652955891060"
            ],
            "threshold": 0.9
        },
        "source": "https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62",
        "signature_version": "v1",
        "target": {
            "file": "libr/bin/p/bin_mach0.c"
        }
    }
]