High
Security advisory
A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-26664
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:56 UTC · Revision 1
Source evidence
A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.
osv:CVE-2020-26664
Complete source record
{
"id": "8591f16b7743af0833ba1bb4125321a143905d8fd18dbd0eb11e8cc5f4f6f8ed",
"url": "https://osv.dev/vulnerability/CVE-2020-26664",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-26664",
"summary": "A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.",
"evidence": "osv:CVE-2020-26664",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-26664",
"aliases": [
"CVE-2020-26664"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/videolan/vlc-3.0",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "d590d61de4001c9ddb155613bbe9b269a9fc9daa"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:videolan:vlc_media_player:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.0.12"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"3.0.11.1",
"3.0.11",
"3.0.10",
"3.0.9.2",
"3.0.9.1",
"3.0.9",
"3.0.8",
"3.0.7.1-1",
"3.0.7.1",
"3.0.7",
"3.0.6",
"3.0.5-2",
"3.0.5-1",
"3.0.5",
"3.0.4",
"3.0.3-1",
"3.0.3",
"3.0.2",
"3.0.1",
"3.0.0-2",
"3.0.0.1",
"3.0.0-1",
"3.0.0",
"3.0.0-rc8",
"3.0.0-rc7",
"3.0.0-rc6",
"3.0.0-rc5",
"3.0.0-rc4",
"3.0.0-rc3",
"3.0.0-rc2",
"3.0.0-rc1",
"3.0.0-git",
"2.2.0-git",
"2.1.0-git",
"1.3.0-git",
"1.2.0-pre1",
"1.1.0-pre1",
"1.1.0-ff",
"1.0.0-rc1",
"1.0.0-pre2",
"1.0.0-pre1",
"0.9.0",
"0.9.0-test3",
"0.9.0-test2",
"0.9.0-test1",
"0.9.0-test0",
"svn-trunk"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26664.json"
}
}
],
"modified": "2026-10-24T10:30:23.251361792Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2022/06/msg00012.html",
"https://security.gentoo.org/glsa/202101-37",
"https://www.debian.org/security/2021/dsa-4834",
"https://gist.githubusercontent.com/henices/db11664dd45b9f322f8514d182aef5ea/raw/d56940c8bf211992bf4f3309a85bb2b69383e511/CVE-2020-26664.txt"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-26664",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430877,
"published_at": "2021-01-08T18:15:13.403+00:00"
}