CVE-2021-3622

A flaw was found in the hivex library. This flaw allows an attacker to input a specially crafted Windows Registry (hive) file, which would cause hivex to recursively call the getchildren() function, leading to a stack overflow. The highest threat from this vulnerability is to system availability.

Database specific

{
    "unresolved_ranges": [
        {
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
                {
                    "last_affected": "33"
                },
                {
                    "last_affected": "34"
                }
            ],
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "redhat:enterprise_linux",
            "extracted_events": [
                {
                    "last_affected": "6.0"
                },
                {
                    "last_affected": "7.0"
                },
                {
                    "last_affected": "8.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*",
                "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*"
            ],
            "source": "CPE_STRING"
        },
        {
            "vendor_product": "redhat:enterprise_linux_workstation",
            "extracted_events": [
                {
                    "last_affected": "7.0"
                }
            ],
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING"
        }
    ]
}

References

Affected packages

Git / github.com/libguestfs/hivex

Affected ranges

Type

GIT

Repo

https://github.com/libguestfs/hivex

Events

Introduced

Fixed

ace0be49b52943240f6c461e31e84f104b8ef443

Fixed

771728218dac2fbf6997a7e53225e75a4c6b7255

Database specific

{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.3.21"
        }
    ],
    "cpe": "cpe:2.3:a:redhat:hivex:*:*:*:*:*:*:*:*",
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

1.*

1.1.0

1.1.1

1.1.2

1.2.0

1.2.1

1.2.2

1.2.3

1.2.4

1.2.5

1.2.6

1.2.7

1.2.8

1.3.0

1.3.1

1.3.10

1.3.11

1.3.12

1.3.13

1.3.19

1.3.2

1.3.3

1.3.4

1.3.5

1.3.6

1.3.7

1.3.8

1.3.9

v1.*

v1.3.14

v1.3.15

v1.3.16

v1.3.17

v1.3.18

v1.3.19

v1.3.20

Database specific

vanir_signatures_modified

"2026-05-30T21:55:21Z"

vanir_signatures

[
    {
        "digest": {
            "function_hash": "138394577735161663126852814952112072419",
            "length": 2324.0
        },
        "signature_version": "v1",
        "id": "CVE-2021-3622-066ab8c3",
        "signature_type": "Function",
        "deprecated": false,
        "target": {
            "file": "lib/node.c",
            "function": "_get_children"
        },
        "source": "https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255"
    },
    {
        "digest": {
            "line_hashes": [
                "74309310395030575337290169571303175705",
                "233451100487387596963065481564458646252",
                "87209965537219425312944453589324538996",
                "75759970310467413331686537479272587427",
                "325938084959474812814722037016182574393",
                "55030333524285549612708431989715222969",
                "189692135388723762671179049222014938680",
                "268347765392776722820548116078944858468",
                "68860408180380056120812084260736257586",
                "101506122728373862828355737642028729389",
                "261104001740472006705787271478211920945",
                "102517267821207842162073957347805317418",
                "277520334333955264787363960026410344983",
                "131722666974530336955358580486147791888",
                "154045439088021880170804602014951719044",
                "183394433316313172637662585870132332815"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "id": "CVE-2021-3622-5c7db85f",
        "signature_type": "Line",
        "deprecated": false,
        "target": {
            "file": "lib/node.c"
        },
        "source": "https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255"
    },
    {
        "digest": {
            "function_hash": "171072671982664405333538485700709584878",
            "length": 1790.0
        },
        "signature_version": "v1",
        "id": "CVE-2021-3622-c3d94877",
        "signature_type": "Function",
        "deprecated": false,
        "target": {
            "file": "lib/node.c",
            "function": "_hivex_get_children"
        },
        "source": "https://github.com/libguestfs/hivex/commit/771728218dac2fbf6997a7e53225e75a4c6b7255"
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3622.json"