Medium
Security advisory
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-14394
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:09 UTC · Revision 1
Source evidence
libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.
osv:CVE-2018-14394
Complete source record
{
"id": "20bfc30a8c9747e5826c3ae1dbda233ad3a276e56e106f585a0e5750b2f2128b",
"url": "https://osv.dev/vulnerability/CVE-2018-14394",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-14394",
"summary": "libavformat/movenc.c in FFmpeg before 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted Waveform audio file.",
"evidence": "osv:CVE-2018-14394",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-14394",
"aliases": [
"CVE-2018-14394"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://git.ffmpeg.org/ffmpeg.git",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "0a155c57bd8eb92ccaf7f5857dc6ab276d235846"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.0.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"n4.0",
"n3.5-dev",
"n3.4-dev",
"n3.3-dev",
"n3.2-dev",
"n3.1-dev",
"n2.9-dev",
"n2.8-dev",
"n2.7-dev",
"n2.6-dev",
"n2.5-dev",
"n2.4-dev",
"n2.3-dev",
"n2.2-dev",
"n2.0",
"n2.1-dev",
"n1.3-dev",
"n1.2-dev",
"n1.1-dev",
"n0.12-dev",
"n0.11-dev",
"n0.8",
"N"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14394.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/ffmpeg/ffmpeg",
"type": "GIT",
"events": [
{
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},
{
"fixed": "0a155c57bd8eb92ccaf7f5857dc6ab276d235846"
},
{
"fixed": "3a2d21bc5f97aa0161db3ae731fc2732be6108b8"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.0.2"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "3a2d21bc5f97aa0161db3ae731fc2732be6108b8"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"n4.0.1",
"n4.0",
"n4.1-dev",
"n3.5-dev",
"n3.4-dev",
"n3.3-dev",
"n3.2-dev",
"n3.1-dev",
"n2.9-dev",
"n2.8-dev",
"n2.7-dev",
"n2.6-dev",
"n2.5-dev",
"n2.4-dev",
"n2.3-dev",
"n2.2-dev",
"n2.0",
"n2.1-dev",
"n1.3-dev",
"n1.2-dev",
"n1.1-dev",
"n0.12-dev",
"n0.11-dev",
"n0.8",
"N"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14394.json",
"vanir_signatures": [
{
"id": "CVE-2018-14394-6c6703d0",
"digest": {
"threshold": 0.9,
"line_hashes": [
"306182149830260832260979441198774379409",
"171070650195834199310586500933145057113",
"87481129932226713652919553000304522214"
]
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/3a2d21bc5f97aa0161db3ae731fc2732be6108b8",
"target": {
"file": "libavformat/movenc.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2018-14394-ddedcd94",
"digest": {
"length": 7968,
"function_hash": "293118525475458948957410842096893374496"
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/3a2d21bc5f97aa0161db3ae731fc2732be6108b8",
"target": {
"file": "libavformat/movenc.c",
"function": "ff_mov_write_packet"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-24T14:11:01Z"
}
}
],
"modified": "2026-10-24T14:11:01.162801967Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html",
"https://github.com/FFmpeg/FFmpeg/commit/3a2d21bc5f97aa0161db3ae731fc2732be6108b8"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-14394",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 443207,
"published_at": "2018-07-19T05:29:00.21+00:00"
}