High
Security advisory
FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist data.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-9993
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:08 UTC · Revision 1
Source evidence
FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist data.
osv:CVE-2017-9993
Complete source record
{
"id": "e7428f040f88ac4ad24fdd85316c05e46aef312e1e65e90df16981017c848b8e",
"url": "https://osv.dev/vulnerability/CVE-2017-9993",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-9993",
"summary": "FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist data.",
"evidence": "osv:CVE-2017-9993",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2017-9993",
"aliases": [
"CVE-2017-9993"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://git.ffmpeg.org/ffmpeg.git",
"type": "GIT",
"events": [
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{
"fixed": "ffab459e4e491384756cf8bae0f3922c5e4f6271"
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{
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{
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{
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}
],
"database_specific": {
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{
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"range": [
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},
{
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}
],
"source": "CPE_RANGE"
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{
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{
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"source": "CPE_RANGE"
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{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
"range": [
{
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{
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],
"source": "CPE_RANGE"
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{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
"range": [
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{
"fixed": "3.3.2"
}
],
"source": "CPE_RANGE"
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],
"versions": [
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"n3.2.3",
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"n2.8.9",
"n3.2.1",
"n3.1.5",
"n3.2",
"n3.3-dev",
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"n3.1.2",
"n2.8.7",
"n3.1.1",
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"n2.8.6",
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"n2.8.1",
"n2.8",
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"n2.5-dev",
"n2.4-dev",
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"n2.0",
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"n1.2-dev",
"n1.1-dev",
"n0.12-dev",
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"N"
],
"database_specific": {
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}
},
{
"ranges": [
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"repo": "https://github.com/ffmpeg/ffmpeg",
"type": "GIT",
"events": [
{
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{
"fixed": "ffab459e4e491384756cf8bae0f3922c5e4f6271"
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{
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{
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{
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{
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{
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{
"fixed": "189ff4219644532bdfa7bab28dfedaee4d6d4021"
},
{
"fixed": "a5d849b149ca67ced2d271dc84db0bc95a548abb"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.8.12"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.0"
},
{
"fixed": "3.1.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2"
},
{
"fixed": "3.2.6"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.3"
},
{
"fixed": "3.3.2"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "189ff4219644532bdfa7bab28dfedaee4d6d4021"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
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}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
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"n3.3.1",
"n3.2.5",
"n3.3",
"n3.4-dev",
"n3.2.4",
"n2.8.11",
"n3.1.7",
"n3.2.3",
"n2.8.10",
"n3.2.2",
"n3.1.6",
"n2.8.9",
"n3.2.1",
"n3.1.5",
"n3.2",
"n3.3-dev",
"n3.1.4",
"n2.8.8",
"n3.1.3",
"n3.1.2",
"n2.8.7",
"n3.1.1",
"n3.1",
"n3.2-dev",
"n3.1-dev",
"n2.8.6",
"n2.8.5",
"n2.8.4",
"n2.8.3",
"n2.8.2",
"n2.8.1",
"n2.8",
"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-2017-9993.json",
"vanir_signatures": [
{
"id": "CVE-2017-9993-0b18ff5d",
"digest": {
"length": 1723,
"function_hash": "100093900058542799657889733734995495217"
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/a5d849b149ca67ced2d271dc84db0bc95a548abb",
"target": {
"file": "libavformat/avidec.c",
"function": "read_gab2_sub"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-9993-193a3aba",
"digest": {
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"line_hashes": [
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},
"source": "https://github.com/ffmpeg/ffmpeg/commit/a5d849b149ca67ced2d271dc84db0bc95a548abb",
"target": {
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"deprecated": false,
"signature_type": "Line",
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{
"id": "CVE-2017-9993-1e057fb8",
"digest": {
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"function_hash": "257983092419843509256040459780787130368"
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"source": "https://github.com/ffmpeg/ffmpeg/commit/189ff4219644532bdfa7bab28dfedaee4d6d4021",
"target": {
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"function": "open_url"
},
"deprecated": false,
"signature_type": "Function",
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},
{
"id": "CVE-2017-9993-fb437f3f",
"digest": {
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"source": "https://github.com/ffmpeg/ffmpeg/commit/189ff4219644532bdfa7bab28dfedaee4d6d4021",
"target": {
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],
"vanir_signatures_modified": "2026-10-24T14:10:57Z"
}
}
],
"modified": "2026-10-24T14:10:57.225719606Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html",
"https://github.com/FFmpeg/FFmpeg/commit/189ff4219644532bdfa7bab28dfedaee4d6d4021",
"https://github.com/FFmpeg/FFmpeg/commit/a5d849b149ca67ced2d271dc84db0bc95a548abb"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
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"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
},
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2017-9993",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 443197,
"published_at": "2017-06-28T06:29:00.52+00:00"
}