CVE-2021-40562

A Segmentation fault caused by a floating point exception exists in Gpac through 1.0.1 using mp4box via the naludmxenqueueordispatch function in reframenalu.c, which causes a denial of service.

Database specific

{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "gpac:gpac",
            "extracted_events": [
                {
                    "last_affected": "1.0.1"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "extracted_events": [
                {
                    "fixed": "1.0.1"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

References

Affected packages

Git / github.com/gpac/gpac

Affected ranges

Type

GIT

Repo

https://github.com/gpac/gpac

Events

Introduced

Fixed

5dd71c7201a3e5cf40732d585bfb21c906c171d3

Database specific

Show details

{
    "source": "REFERENCES"
}

Affected versions

v0.*

v0.5.2

v0.6.0

v0.9.0

v0.9.0-preview

v1.*

v1.0.0

Database specific

vanir_signatures

[
    {
        "id": "CVE-2021-40562-808dadcc",
        "deprecated": false,
        "digest": {
            "length": 4834.0,
            "function_hash": "222909125538054554142696760066351192249"
        },
        "signature_version": "v1",
        "target": {
            "file": "src/filters/reframe_nalu.c",
            "function": "naludmx_create_avc_decoder_config"
        },
        "source": "https://github.com/gpac/gpac/commit/5dd71c7201a3e5cf40732d585bfb21c906c171d3",
        "signature_type": "Function"
    },
    {
        "id": "CVE-2021-40562-861a6994",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "111753558529549020020712736279529203355",
                "312475701619028868588341076389345054319",
                "210095339424249211427502420724033199260",
                "306106039706621833680095253597863398070",
                "83200840015914086248955994616472368455",
                "125570266520436794753878286141420955597"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "src/filters/reframe_nalu.c"
        },
        "source": "https://github.com/gpac/gpac/commit/5dd71c7201a3e5cf40732d585bfb21c906c171d3",
        "signature_type": "Line"
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-40562.json"

vanir_signatures_modified

"2026-08-03T14:35:17Z"