CVE-2021-33362

Stack buffer overflow in the hevcparsevps_extension function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file.

References

Affected packages

Git / github.com/gpac/gpac

Affected ranges

Type

GIT

Repo

https://github.com/gpac/gpac

Events

Introduced

Last affected

d8538e8ae946b32d99c6b2c57cbb327146e9cd9d

Fixed

1273cdc706eeedf8346d4b9faa5b33435056061d

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.0.1"
        }
    ]
}

Affected versions

v0.*

v0.5.2

v0.6.0

v0.7.0

v0.7.1

v0.9.0

v0.9.0-preview

v1.*

v1.0.0

v1.0.1

Database specific

vanir_signatures

[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "156453034275860195751118554467831625006",
                "278350946933998893876045049577207316467",
                "292344529475341452140739090620657628091"
            ]
        },
        "id": "CVE-2021-33362-a4d76a98",
        "signature_type": "Line",
        "source": "https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d",
        "deprecated": false,
        "target": {
            "file": "src/media_tools/av_parsers.c"
        },
        "signature_version": "v1"
    },
    {
        "digest": {
            "function_hash": "199429521635279753719972385502701430293",
            "length": 9286.0
        },
        "id": "CVE-2021-33362-b4046db8",
        "signature_type": "Function",
        "source": "https://github.com/gpac/gpac/commit/1273cdc706eeedf8346d4b9faa5b33435056061d",
        "deprecated": false,
        "target": {
            "function": "hevc_parse_vps_extension",
            "file": "src/media_tools/av_parsers.c"
        },
        "signature_version": "v1"
    }
]

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33362.json"

vanir_signatures_modified

"2026-04-11T17:25:57Z"