Medium
Security advisory
The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-17081
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:00 UTC · Revision 1
Source evidence
The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.
osv:CVE-2017-17081
Complete source record
{
"id": "6128b5d19d15ce8398bad64c3fe7e713b7b1976fb71e6041b2a3e5c26c6e5d36",
"url": "https://osv.dev/vulnerability/CVE-2017-17081",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-17081",
"summary": "The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 2.3 and 3.4 does not properly validate widths and heights, which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.",
"evidence": "osv:CVE-2017-17081",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2017-17081",
"aliases": [
"CVE-2017-17081"
],
"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": "22b0daa1b3f0ac5d91cc1a057d230995590847cd"
},
{
"last_affected": "22b0daa1b3f0ac5d91cc1a057d230995590847cd"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:3.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.4"
},
{
"last_affected": "3.4"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"3.4",
"n3.4-dev"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17081.json"
}
},
{
"ranges": [
{
"repo": "https://github.com/ffmpeg/ffmpeg",
"type": "GIT",
"events": [
{
"introduced": "22b0daa1b3f0ac5d91cc1a057d230995590847cd"
},
{
"last_affected": "22b0daa1b3f0ac5d91cc1a057d230995590847cd"
},
{
"fixed": "27f8d386829689c346ff0cef00d3af57b9fb8903"
},
{
"fixed": "58cf31cee7a456057f337b3102a03206d833d5e8"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:ffmpeg:ffmpeg:3.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.4"
},
{
"last_affected": "3.4"
}
],
"source": "CPE_STRING"
},
{
"range": [
{
"fixed": "27f8d386829689c346ff0cef00d3af57b9fb8903"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "58cf31cee7a456057f337b3102a03206d833d5e8"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"3.4",
"n3.4-dev"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-17081.json",
"vanir_signatures": [
{
"id": "CVE-2017-17081-1c8014d9",
"digest": {
"threshold": 0.9,
"line_hashes": [
"99497488655434298647149463799167973397",
"139953449297124945114340788739349000224",
"48342063533814020514514237702143492153",
"62296206643640862599570083544025886110",
"66039701322916065952347494566869563446"
]
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903",
"target": {
"file": "libavcodec/x86/mpegvideodsp.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2017-17081-207cbed6",
"digest": {
"length": 4178,
"function_hash": "121043539817440664565750123988210661973"
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903",
"target": {
"file": "libavcodec/x86/mpegvideodsp.c",
"function": "gmc_mmx"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2017-17081-432d4ca8",
"digest": {
"threshold": 0.9,
"line_hashes": [
"99497488655434298647149463799167973397",
"139953449297124945114340788739349000224",
"48342063533814020514514237702143492153",
"62296206643640862599570083544025886110",
"66039701322916065952347494566869563446"
]
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8",
"target": {
"file": "libavcodec/x86/mpegvideodsp.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2017-17081-54e217cb",
"digest": {
"length": 4178,
"function_hash": "121043539817440664565750123988210661973"
},
"source": "https://github.com/ffmpeg/ffmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8",
"target": {
"file": "libavcodec/x86/mpegvideodsp.c",
"function": "gmc_mmx"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-24T14:03:18Z"
}
}
],
"modified": "2026-10-24T14:03:18.757359553Z",
"provider": "osv",
"references": [
"https://www.debian.org/security/2018/dsa-4099",
"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516#c1",
"https://github.com/FFmpeg/FFmpeg/commit/27f8d386829689c346ff0cef00d3af57b9fb8903",
"https://github.com/FFmpeg/FFmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8",
"https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2017-17081",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442783,
"published_at": "2017-11-30T21:29:00.297+00:00"
}