Medium
Security advisory
libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-14395
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:09 UTC · Revision 1
Source evidence
libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.
osv:CVE-2018-14395
Complete source record
{
"id": "940cf69c3294b204e9080c65cff29743f1c8fdfb08932bbd5a8dce67b9a2d32d",
"url": "https://osv.dev/vulnerability/CVE-2018-14395",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-14395",
"summary": "libavformat/movenc.c in FFmpeg 3.2 and 4.0.2 allows attackers to cause a denial of service (application crash caused by a divide-by-zero error) with a user crafted audio file when converting to the MOV audio format.",
"evidence": "osv:CVE-2018-14395",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2018-14395",
"aliases": [
"CVE-2018-14395"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"repo": "https://git.ffmpeg.org/ffmpeg.git",
"type": "GIT",
"events": [
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{
"last_affected": "ace829cb45cff530b8a0aed6adf18f329d7a98f6"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:3.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2"
},
{
"last_affected": "3.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:4.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0"
},
{
"last_affected": "4.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"3.2",
"4.0",
"n4.0",
"n3.5-dev",
"n3.4-dev",
"n3.3-dev",
"n3.2-dev"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14395.json"
}
},
{
"ranges": [
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"repo": "https://github.com/ffmpeg/ffmpeg",
"type": "GIT",
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{
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{
"fixed": "2c0e98a0b478284bdff6d7a4062522605a8beae5"
},
{
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}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:3.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2"
},
{
"last_affected": "3.2"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:4.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.0"
},
{
"last_affected": "4.0"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "2c0e98a0b478284bdff6d7a4062522605a8beae5"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
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],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"3.2",
"4.0",
"n3.2.11",
"n4.0",
"n4.1-dev",
"n3.2.10",
"n3.2.9",
"n3.5-dev",
"n3.2.8",
"n3.2.7",
"n3.2.6",
"n3.2.5",
"n3.4-dev",
"n3.2.4",
"n3.2.3",
"n3.2.2",
"n3.2.1",
"n3.2",
"n3.3-dev",
"n3.2-dev"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14395.json",
"vanir_signatures": [
{
"id": "CVE-2018-14395-81cf19f1",
"digest": {
"length": 4429,
"function_hash": "102827977244515592418039999533830258363"
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/fa19fbcf712a6a6cc5a5cfdc3254a97b9bce6582",
"target": {
"file": "libavformat/movenc.c",
"function": "mov_write_audio_tag"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2018-14395-c30bc0a5",
"digest": {
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"function_hash": "44736351853163418595392144319364648043"
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/2c0e98a0b478284bdff6d7a4062522605a8beae5",
"target": {
"file": "libavformat/movenc.c",
"function": "mov_write_audio_tag"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2018-14395-efe74b9b",
"digest": {
"threshold": 0.9,
"line_hashes": [
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},
"source": "https://github.com/ffmpeg/ffmpeg/commit/fa19fbcf712a6a6cc5a5cfdc3254a97b9bce6582",
"target": {
"file": "libavformat/movenc.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2018-14395-f544f8fd",
"digest": {
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"line_hashes": [
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},
"source": "https://github.com/ffmpeg/ffmpeg/commit/2c0e98a0b478284bdff6d7a4062522605a8beae5",
"target": {
"file": "libavformat/movenc.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-24T14:11:00Z"
}
}
],
"modified": "2026-10-24T14:11:00.778360797Z",
"provider": "osv",
"references": [
"https://www.debian.org/security/2018/dsa-4258",
"https://github.com/FFmpeg/FFmpeg/commit/2c0e98a0b478284bdff6d7a4062522605a8beae5",
"https://github.com/FFmpeg/FFmpeg/commit/fa19fbcf712a6a6cc5a5cfdc3254a97b9bce6582"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-14395",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 443206,
"published_at": "2018-07-19T05:29:00.273+00:00"
}