CVE-2021-36979

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Source

https://cve.org/CVERecord?id=CVE-2021-36979

Import Source

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

JSON Data

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

Published

2021-07-20T07:15:08Z

Modified

2026-07-09T05:44:40Z

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 tb_flush_armeb (called from cpu_arm_exec_armeb and tcg_cpu_exec_armeb).

Database specific

{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "35"
                },
                {
                    "last_affected":  "35"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "fedoraproject:fedora"
        }
    ]
}

References

Affected packages

Git / github.com/unicorn-engine/unicorn

Affected ranges

Type

GIT

Repo

https://github.com/unicorn-engine/unicorn

Events

Introduced

886acbf59910499e44194dadda9c069ef7d3b291

Last Affected

886acbf59910499e44194dadda9c069ef7d3b291

Fixed

bf1713d9e011b55ca1f502a6779fc4722b4bb077

Database specific

Show details

{
    "cpe":  "cpe:2.3:a:unicorn-engine:unicorn_engine:1.0.2:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "1.0.2"
        },
        {
            "last_affected":  "1.0.2"
        }
    ],
    "source":  [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

1.*

1.0.2

Database specific

source

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

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "29125629567228280845140471101621129196",
                "326149495123353803551333075876328688662",
                "312352500872474134834109017042425829243",
                "53633335620687464050445218007445285387",
                "259542698321032343838803463830152471925",
                "219128090369457490179549682296348812565",
                "243190090378694493129924528553989170803",
                "134133894344926590101119294386381360310"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2021-36979-1e612893",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077",
        "target":  {
            "file":  "samples/sample_arm.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "22746299379468341957275669331702579504",
            "length":  551
        },
        "id":  "CVE-2021-36979-92f79a56",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/unicorn-engine/unicorn/commit/bf1713d9e011b55ca1f502a6779fc4722b4bb077",
        "target":  {
            "file":  "samples/sample_arm.c",
            "function":  "main"
        }
    }
]

vanir_signatures_modified

"2026-07-09T05:44:40Z"