Medium
Security advisory
A Segmentation fault casued by heap use after free vulnerability exists in Gpac through 1.0.1 via the mpgviddmx_process function in reframe_mpgvid.c when using mp4box, which causes a denial of service.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-40566
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:38 UTC · Revision 1
Source evidence
A Segmentation fault casued by heap use after free vulnerability exists in Gpac through 1.0.1 via the mpgviddmx_process function in reframe_mpgvid.c when using mp4box, which causes a denial of service.
osv:CVE-2021-40566
Complete source record
{
"id": "a1547b06f8d6ebeaf4c8b868d047f4074803513e24531b836b16762bfda63c3b",
"url": "https://osv.dev/vulnerability/CVE-2021-40566",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-40566",
"summary": "A Segmentation fault casued by heap use after free vulnerability exists in Gpac through 1.0.1 via the mpgviddmx_process function in reframe_mpgvid.c when using mp4box, which causes a denial of service.",
"evidence": "osv:CVE-2021-40566",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-40566",
"aliases": [
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"metrics": [
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"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
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"affected": [
{
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"type": "GIT",
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{
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"database_specific": {
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"vanir_signatures": [
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"target": {
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"target": {
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"function": "xviddec_configure_pid"
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"modified": "2026-10-20T14:08:50.002015927Z",
"provider": "osv",
"references": [
"https://github.com/gpac/gpac/issues/1887",
"https://www.debian.org/security/2023/dsa-5411",
"https://github.com/gpac/gpac/commit/96047e0e6166407c40cc19f4e94fb35cd7624391"
],
"provider_metadata": {}
},
"related_cves": [
{
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"evidence": "/id"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388581,
"published_at": "2022-01-12T22:15:07.933+00:00"
}