The trak_box_size function in GPAC 1.0.1 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted file in the MP4Box command.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "1.0.1"
},
{
"last_affected": "1.0.1"
}
],
"source": "CPE_STRING",
"vendor_product": "gpac:gpac"
}
]
}"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32135.json"
[
{
"deprecated": false,
"digest": {
"function_hash": "177716631601263422887816959889517703023",
"length": 770
},
"id": "CVE-2021-32135-02afd05f",
"signature_type": "Function",
"signature_version": "v1",
"source": "https://github.com/gpac/gpac/commit/b8f8b202d4fc23eb0ab4ce71ae96536ca6f5d3f8",
"target": {
"file": "src/isomedia/box_code_base.c",
"function": "trak_box_size"
}
},
{
"deprecated": false,
"digest": {
"line_hashes": [
"180982079912359863713092613983514262329",
"259171904111037091140515259864588543617",
"104134878679528383612431513969623128882",
"325562312999389756479242236541877472983"
],
"threshold": 0.9
},
"id": "CVE-2021-32135-c6acd99d",
"signature_type": "Line",
"signature_version": "v1",
"source": "https://github.com/gpac/gpac/commit/b8f8b202d4fc23eb0ab4ce71ae96536ca6f5d3f8",
"target": {
"file": "src/isomedia/box_code_base.c"
}
}
]
"2026-08-03T14:35:10Z"