ubuntu-cve-2021-0561
Vulnerability from osv_ubuntu
Published
2021-06-22 11:15
Modified
2026-04-22 07:39
Summary
Details
In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174302683
Severity
5.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "flac",
"binary_version": "1.3.0-2ubuntu0.14.04.1+esm1"
},
{
"binary_name": "libflac++6",
"binary_version": "1.3.0-2ubuntu0.14.04.1+esm1"
},
{
"binary_name": "libflac8",
"binary_version": "1.3.0-2ubuntu0.14.04.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "flac",
"purl": "pkg:deb/ubuntu/flac@1.3.0-2ubuntu0.14.04.1+esm1?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.0-2ubuntu0.14.04.1+esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.3.0-1",
"1.3.0-2",
"1.3.0-2ubuntu0.14.04.1"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "flac",
"binary_version": "1.3.1-4ubuntu0.1~esm1"
},
{
"binary_name": "libflac++6v5",
"binary_version": "1.3.1-4ubuntu0.1~esm1"
},
{
"binary_name": "libflac8",
"binary_version": "1.3.1-4ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "flac",
"purl": "pkg:deb/ubuntu/flac@1.3.1-4ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.1-4ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.3.1-4"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "flac",
"binary_version": "1.3.2-1ubuntu0.1"
},
{
"binary_name": "libflac++6v5",
"binary_version": "1.3.2-1ubuntu0.1"
},
{
"binary_name": "libflac8",
"binary_version": "1.3.2-1ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "flac",
"purl": "pkg:deb/ubuntu/flac@1.3.2-1ubuntu0.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.2-1ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.3.2-1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "flac",
"binary_version": "1.3.3-1ubuntu0.1"
},
{
"binary_name": "libflac++6v5",
"binary_version": "1.3.3-1ubuntu0.1"
},
{
"binary_name": "libflac8",
"binary_version": "1.3.3-1ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "flac",
"purl": "pkg:deb/ubuntu/flac@1.3.3-1ubuntu0.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.3-1ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.3.3-1",
"1.3.3-1build1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "flac",
"binary_version": "1.3.3-2ubuntu0.1"
},
{
"binary_name": "libflac++6v5",
"binary_version": "1.3.3-2ubuntu0.1"
},
{
"binary_name": "libflac8",
"binary_version": "1.3.3-2ubuntu0.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "flac",
"purl": "pkg:deb/ubuntu/flac@1.3.3-2ubuntu0.1?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.3-2ubuntu0.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.3.3-2",
"1.3.3-2build1",
"1.3.3-2build2"
]
}
],
"aliases": [],
"details": "In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174302683",
"id": "UBUNTU-CVE-2021-0561",
"modified": "2026-04-22T07:39:43Z",
"published": "2021-06-22T11:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-0561"
},
{
"type": "REPORT",
"url": "https://github.com/xiph/flac/commit/e1575e4a7c5157cbf4e4a16dbd39b74f7174c7be"
},
{
"type": "REPORT",
"url": "https://xiph.org/flac/changelog.html#flac_1.3.4"
},
{
"type": "REPORT",
"url": "https://android.googlesource.com/platform/external/flac/+/368eb3f5bec249a197c95a95583ff8153aa6a87f"
},
{
"type": "REPORT",
"url": "https://source.android.com/security/bulletin/pixel/2021-06-01"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5733-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-0561"
}
],
"related": [
"USN-5733-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "low",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-0561"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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