ubuntu-cve-2021-25801
Vulnerability from osv_ubuntu
Published
2021-07-26 17:15
Modified
2026-04-22 07:39
Summary
Details
A buffer overflow vulnerability in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.
Severity
7.1 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libvlc5",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "libvlccore8",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-data",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-nox",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-plugin-fluidsynth",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-plugin-jack",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-plugin-notify",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-plugin-samba",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-plugin-sdl",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-plugin-svg",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
},
{
"binary_name": "vlc-plugin-zvbi",
"binary_version": "2.2.2-5ubuntu0.16.04.5+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "vlc",
"purl": "pkg:deb/ubuntu/vlc@2.2.2-5ubuntu0.16.04.5+esm2?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.2-5ubuntu0.16.04.5+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.1-3",
"2.2.1-5",
"2.2.2-1",
"2.2.2-2",
"2.2.2-3",
"2.2.2-3build1",
"2.2.2-4",
"2.2.2-5",
"2.2.2-5ubuntu0.16.04.1",
"2.2.2-5ubuntu0.16.04.2",
"2.2.2-5ubuntu0.16.04.3",
"2.2.2-5ubuntu0.16.04.4",
"2.2.2-5ubuntu0.16.04.5+esm1"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libvlc-bin",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "libvlc5",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "libvlccore9",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-bin",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-data",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-l10n",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-access-extra",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-base",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-fluidsynth",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-jack",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-notify",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-qt",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-samba",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-skins2",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-svg",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-video-output",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-video-splitter",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-visualization",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
},
{
"binary_name": "vlc-plugin-zvbi",
"binary_version": "3.0.8-0ubuntu18.04.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "vlc",
"purl": "pkg:deb/ubuntu/vlc@3.0.8-0ubuntu18.04.1+esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.8-0ubuntu18.04.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.6-6",
"2.2.6-6build1",
"2.2.7-1",
"2.2.8-1",
"2.2.8-1ubuntu4",
"2.2.8-2",
"3.0.0~rc1-1ubuntu1",
"3.0.0~rc1-1ubuntu3",
"3.0.0~rc2-1ubuntu1",
"3.0.0~rc2-2ubuntu1",
"3.0.0~rc2-2ubuntu2",
"3.0.0~rc4-1ubuntu1",
"3.0.0~rc7-2ubuntu1",
"3.0.0~rc8-1ubuntu1",
"3.0.0-1ubuntu1",
"3.0.1-1ubuntu5",
"3.0.1-2ubuntu1",
"3.0.1-2ubuntu2",
"3.0.1-3",
"3.0.1-3build1",
"3.0.2-0ubuntu0.1",
"3.0.3-1-1ubuntu1",
"3.0.4-1ubuntu0.2",
"3.0.7.1-0ubuntu18.04.1",
"3.0.8-0ubuntu18.04.1"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libvlc-bin",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "libvlc5",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "libvlccore9",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-bin",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-data",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-l10n",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-access-extra",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-base",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-fluidsynth",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-jack",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-notify",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-qt",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-samba",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-skins2",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-svg",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-video-output",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-video-splitter",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
},
{
"binary_name": "vlc-plugin-visualization",
"binary_version": "3.0.9.2-1ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "vlc",
"purl": "pkg:deb/ubuntu/vlc@3.0.9.2-1ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "3.0.9.2-1ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.0.8-2",
"3.0.8-2build1",
"3.0.8-3",
"3.0.8-3build1",
"3.0.8-3build2",
"3.0.8-3build4",
"3.0.8-4",
"3.0.9.2-1"
]
}
],
"aliases": [],
"details": "A buffer overflow vulnerability in the __Parse_indx component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.",
"id": "UBUNTU-CVE-2021-25801",
"modified": "2026-04-22T07:39:56Z",
"published": "2021-07-26T17:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-25801"
},
{
"type": "REPORT",
"url": "https://code.videolan.org/videolan/vlc-3.0/-/commit/f5f8cc3ab8825f178de3f6714bfbff8b3f293fd2"
},
{
"type": "REPORT",
"url": "https://code.videolan.org/videolan/vlc-3.0/-/commit/f5f8cc3ab8825f178de3f6714bfbff8b3f293fd2"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6180-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-25801"
}
],
"related": [
"USN-6180-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-25801"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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