CVE-2021-36979

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Source

https://nvd.nist.gov/vuln/detail/CVE-2021-36979

Import Source

https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-36979.json

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2021-36979

Published

2021-07-20T07:15:08Z

Modified

2025-10-15T13:08:48.078352Z

Severity

5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

Unicorn Engine 1.0.2 has an out-of-bounds write in tbflusharmeb (called from cpuarmexecarmeb and tcgcpuexecarmeb).

References

Affected packages

Git / github.com/unicorn-engine/unicorn

Affected ranges

Type: GIT
Repo: https://github.com/unicorn-engine/unicorn
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

bf1713d9e011b55ca1f502a6779fc4722b4bb077

Affected versions

0.*

0.9

1.*

1.0

1.0-rc1

1.0-rc2

1.0-rc3

1.0.1

1.0.2

1.0.2-rc1

1.0.2-rc2

1.0.2-rc3

1.0.2-rc4

1.0.2-rc5

1.0.2-rc6

Database specific

vanir_signatures

[
    {
        "signature_type": "Line",
        "id": "CVE-2021-36979-1e612893",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "29125629567228280845140471101621129196",
                "326149495123353803551333075876328688662",
                "312352500872474134834109017042425829243",
                "53633335620687464050445218007445285387",
                "259542698321032343838803463830152471925",
                "219128090369457490179549682296348812565",
                "243190090378694493129924528553989170803",
                "134133894344926590101119294386381360310"
            ]
        },
        "deprecated": false,
        "source": "https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077",
        "target": {
            "file": "samples/sample_arm.c"
        },
        "signature_version": "v1"
    },
    {
        "signature_type": "Function",
        "id": "CVE-2021-36979-92f79a56",
        "digest": {
            "length": 551.0,
            "function_hash": "22746299379468341957275669331702579504"
        },
        "deprecated": false,
        "source": "https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077",
        "target": {
            "file": "samples/sample_arm.c",
            "function": "main"
        },
        "signature_version": "v1"
    }
]