Medium
Security advisory
The gf_isom_set_extraction_slc 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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-31258
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:43 UTC · Revision 1
Source evidence
The gf_isom_set_extraction_slc 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.
osv:CVE-2021-31258
Complete source record
{
"id": "25a84071d4fe5d54f8ab4631b3e1e5ec80b3148373ecb7cbfe080afb4536c0a3",
"url": "https://osv.dev/vulnerability/CVE-2021-31258",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-31258",
"summary": "The gf_isom_set_extraction_slc 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.",
"evidence": "osv:CVE-2021-31258",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-31258",
"aliases": [
"CVE-2021-31258"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/gpac/gpac",
"type": "GIT",
"events": [
{
"introduced": "d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"
},
{
"last_affected": "d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"
},
{
"fixed": "ebfa346eff05049718f7b80041093b4c5581c24e"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0.1"
},
{
"last_affected": "1.0.1"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "ebfa346eff05049718f7b80041093b4c5581c24e"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"1.0.1",
"v1.0.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31258.json",
"vanir_signatures": [
{
"id": "CVE-2021-31258-3ba70ab4",
"digest": {
"threshold": 0.9,
"line_hashes": [
"270617900074585397401484796233809869972",
"266556905381068162363874736581927080072",
"128247643108269553959618366844869920155",
"151002184077632499010279979493437122930"
]
},
"source": "https://github.com/gpac/gpac/commit/ebfa346eff05049718f7b80041093b4c5581c24e",
"target": {
"file": "src/isomedia/isom_read.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2021-31258-802802f4",
"digest": {
"threshold": 0.9,
"line_hashes": [
"259652571069950963945971642835717277815",
"215728378582260301418390893771053441032",
"309570343603242213718214264290582359552",
"158326549550549045648789173518921490312"
]
},
"source": "https://github.com/gpac/gpac/commit/ebfa346eff05049718f7b80041093b4c5581c24e",
"target": {
"file": "src/media_tools/isom_hinter.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2021-31258-98bde890",
"digest": {
"length": 3648,
"function_hash": "201795973519872899739681987433964370864"
},
"source": "https://github.com/gpac/gpac/commit/ebfa346eff05049718f7b80041093b4c5581c24e",
"target": {
"file": "src/isomedia/isom_read.c",
"function": "gf_isom_guess_specification"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2021-31258-b0a46259",
"digest": {
"length": 1038,
"function_hash": "212030541430037658386937552276659384204"
},
"source": "https://github.com/gpac/gpac/commit/ebfa346eff05049718f7b80041093b4c5581c24e",
"target": {
"file": "src/isomedia/isom_write.c",
"function": "gf_isom_set_extraction_slc"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2021-31258-b987cc06",
"digest": {
"length": 10398,
"function_hash": "191501682910234544732100356540988623355"
},
"source": "https://github.com/gpac/gpac/commit/ebfa346eff05049718f7b80041093b4c5581c24e",
"target": {
"file": "src/media_tools/isom_hinter.c",
"function": "gf_hinter_track_new"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2021-31258-fb702916",
"digest": {
"threshold": 0.9,
"line_hashes": [
"227718408228789048064985627527740910474",
"54977739924720519365670947084475811541",
"168597170443951711395261426255018734116",
"198785111809026613350662461408220335886",
"173339589024345270044873056453061851953",
"230281504719185982157164309706284803369",
"80623951809101107209873934467657455551",
"132786278438985534124625906195400243593",
"35380870174249906734613327619622366753",
"9083488159551905715355050900648687795",
"164644400157436864246531908615106085215",
"293507950621516326366231203972902870083",
"65466738529165524984898644288541299129",
"277399048657994215131697616686824185357",
"106105212666821748091817423852243024922",
"254564669850670643240633422548249399006"
]
},
"source": "https://github.com/gpac/gpac/commit/ebfa346eff05049718f7b80041093b4c5581c24e",
"target": {
"file": "src/isomedia/isom_write.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T14:21:52Z"
}
}
],
"modified": "2026-10-20T14:21:52.431144564Z",
"provider": "osv",
"references": [
"https://github.com/gpac/gpac/commit/ebfa346eff05049718f7b80041093b4c5581c24e",
"https://github.com/gpac/gpac/issues/1706"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-31258",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388831,
"published_at": "2021-04-19T19:15:18.327+00:00"
}