Security advisory
In FFmpeg 3.3.3, a DoS in asf_read_marker() due to lack of an EOF (End of File) check might cause huge CPU and memory consumption. When a crafted ASF file, which claims a large "name_len" or "count" field in the header but does not contain sufficient backing data, is provided, the loops over the name and markers would consume huge CPU and memory resources, since there is no EOF check inside these loops.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-14057
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:08 UTC · Revision 1
Source evidence
In FFmpeg 3.3.3, a DoS in asf_read_marker() due to lack of an EOF (End of File) check might cause huge CPU and memory consumption. When a crafted ASF file, which claims a large "name_len" or "count" field in the header but does not contain sufficient backing data, is provided, the loops over the name and markers would consume huge CPU and memory resources, since there is no EOF check inside these loops.
osv:CVE-2017-14057
Complete source record
{
"id": "a5aae9d108718f131ed4ed0fb50341e22d2870c7e410fbd6eca2a0c938c0e236",
"url": "https://osv.dev/vulnerability/CVE-2017-14057",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-14057",
"summary": "In FFmpeg 3.3.3, a DoS in asf_read_marker() due to lack of an EOF (End of File) check might cause huge CPU and memory consumption. When a crafted ASF file, which claims a large \"name_len\" or \"count\" field in the header but does not contain sufficient backing data, is provided, the loops over the name and markers would consume huge CPU and memory resources, since there is no EOF check inside these loops.",
"evidence": "osv:CVE-2017-14057",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-14057",
"aliases": [
"CVE-2017-14057"
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"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": [
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"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:3.3.3:*:*:*:*:*:*:*",
"range": [
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"introduced": "3.3.3"
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{
"last_affected": "3.3.3"
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"source": "CPE_STRING"
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"versions": [
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"n3.3.3"
],
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},
{
"ranges": [
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"repo": "https://github.com/ffmpeg/ffmpeg",
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{
"fixed": "7f9ec5593e04827249e7aeb466da06a98a0d7329"
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"range": [
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"introduced": "3.3.3"
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{
"last_affected": "3.3.3"
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"source": "CPE_STRING"
},
{
"range": [
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"fixed": "7f9ec5593e04827249e7aeb466da06a98a0d7329"
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],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"3.3.3",
"n3.3.3"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14057.json",
"vanir_signatures": [
{
"id": "CVE-2017-14057-1826b2b6",
"digest": {
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"function_hash": "169901190286884033327212406021590328092"
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/7f9ec5593e04827249e7aeb466da06a98a0d7329",
"target": {
"file": "libavformat/asfdec_f.c",
"function": "asf_read_marker"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-14057-7ff161c7",
"digest": {
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"source": "https://github.com/ffmpeg/ffmpeg/commit/7f9ec5593e04827249e7aeb466da06a98a0d7329",
"target": {
"file": "libavformat/asfdec_f.c"
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"signature_type": "Line",
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"vanir_signatures_modified": "2026-10-24T14:09:14Z"
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],
"modified": "2026-10-24T14:09:14.760865780Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html",
"https://github.com/FFmpeg/FFmpeg/commit/7f9ec5593e04827249e7aeb466da06a98a0d7329"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-14057",
"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 443183,
"published_at": "2017-08-31T15:29:00.42+00:00"
}