CVE-2021-32494

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Source
https://cve.org/CVERecord?id=CVE-2021-32494
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32494.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-32494
Downstream
Published
2023-07-07T19:15:09.507Z
Modified
2026-08-07T17:02:02.156864Z
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/radareorg/radare2

Affected ranges

Type
GIT
Repo
https://github.com/radareorg/radare2
Events
Introduced
ee753c25094c6e1c62dfb9596423824251dbc943
Last affected
ee753c25094c6e1c62dfb9596423824251dbc943
Fixed
a07dedb804a82bc01c07072861942dd80c6b6d62
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:radare:radare2:5.3.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "5.3.0"
        },
        {
            "last_affected": "5.3.0"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

5.*
5.3.0

Database specific

vanir_signatures_modified 
"2026-08-07T17:02:02Z"
vanir_signatures 
[
    {
        "id": "CVE-2021-32494-2834f321",
        "deprecated": false,
        "signature_type": "Line",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "211921345178114093370428947692498009900",
                "154239016323387656120110791473062974521",
                "197634429748365036978182416865077052005",
                "211074051710044500989675597504644777329",
                "217178479459434555199088203652955891060"
            ]
        },
        "source": "https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62",
        "target": {
            "file": "libr/bin/p/bin_mach0.c"
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32494.json"