ffmpeg — security advisory
cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.
- Products
- ffmpeg
- Affected versions
- Not specified
- Fixed versions
- 7:2.4.1-1
- CVEs
- CVE-2011-3973
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:30 UTC · Revision 1
Source evidence
cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.
osv:DEBIAN-CVE-2011-3973
ffmpeg
Fixed versions: 7:2.4.1-1
ffmpeg
Fixed versions: 7:2.4.1-1
ffmpeg
Fixed versions: 7:2.4.1-1
Complete source record
{
"id": "22772dead99dd859bdbc66e2b6246737221042faf1fdbab9731b8050f53d36be",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2011-3973",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2011-3973",
"summary": "cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, related to the decode_residual_block, check_for_slice, and cavs_decode_frame functions, a different vulnerability than CVE-2011-3362.",
"evidence": "osv:DEBIAN-CVE-2011-3973",
"products": [
{
"name": {
"value": "ffmpeg",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7:2.4.1-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ffmpeg",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7:2.4.1-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "ffmpeg",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7:2.4.1-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "DEBIAN-CVE-2011-3973",
"aliases": [
"DEBIAN-CVE-2011-3973"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7:2.4.1-1"
}
]
}
],
"package": {
"name": "ffmpeg",
"purl": "pkg:deb/debian/ffmpeg?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3973.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7:2.4.1-1"
}
]
}
],
"package": {
"name": "ffmpeg",
"purl": "pkg:deb/debian/ffmpeg?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3973.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7:2.4.1-1"
}
]
}
],
"package": {
"name": "ffmpeg",
"purl": "pkg:deb/debian/ffmpeg?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2011-3973.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T17:47:45.736855085Z",
"provider": "osv",
"upstream": [
"CVE-2011-3973"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2011-3973"
]
},
"related_cves": [
{
"value": "CVE-2011-3973",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 418776,
"published_at": "2011-10-02T20:55:01.57+00:00"
}