CVE-2021-33366

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Source
https://nvd.nist.gov/vuln/detail/CVE-2021-33366
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33366.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-33366
Downstream
Published
2021-09-13T19:15:14Z
Modified
2025-10-21T06:24:12.920943Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

Memory leak in the gfisomoinfreadentry function in MP4Box in GPAC 1.0.1 allows attackers to read memory via a crafted file.

References

Affected packages

Git / github.com/gpac/gpac

Affected ranges

Type
GIT
Repo
https://github.com/gpac/gpac
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0a85029d694f992f3631e2f249e4999daee15cbf

Affected versions

v0.*

v0.5.2
v0.6.0
v0.6.1
v0.7.0
v0.7.1
v0.8.0
v0.9.0
v0.9.0-preview

v1.*

v1.0.0
v1.0.1

Database specific

vanir_signatures

[
    {
        "id": "CVE-2021-33366-055ee822",
        "signature_type": "Line",
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "300921247869268374670114649845646114000",
                "268115012844309457581256500449888999880",
                "112605582290686948143665129381495412118",
                "167233635158787946113545385271266292907",
                "339594173779950548247693231596897312929"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "source": "https://github.com/gpac/gpac/commit/0a85029d694f992f3631e2f249e4999daee15cbf",
        "target": {
            "file": "src/isomedia/avc_ext.c"
        }
    },
    {
        "id": "CVE-2021-33366-68dbf00a",
        "signature_type": "Function",
        "signature_version": "v1",
        "digest": {
            "length": 2999.0,
            "function_hash": "221996246729804369847592071767377089397"
        },
        "deprecated": false,
        "source": "https://github.com/gpac/gpac/commit/0a85029d694f992f3631e2f249e4999daee15cbf",
        "target": {
            "function": "gf_isom_oinf_read_entry",
            "file": "src/isomedia/avc_ext.c"
        }
    }
]