ubuntu-cve-2021-34825
Vulnerability from osv_ubuntu
Published
2021-06-17 14:15
Modified
2026-05-20 14:53
Summary
Details
Quassel through 0.13.1, when --require-ssl is enabled, launches without SSL or TLS support if a usable X.509 certificate is not found on the local system.
Severity
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "quassel",
"binary_version": "0.12.2-0ubuntu1.16.04.2"
},
{
"binary_name": "quassel-client",
"binary_version": "0.12.2-0ubuntu1.16.04.2"
},
{
"binary_name": "quassel-client-qt4",
"binary_version": "0.12.2-0ubuntu1.16.04.2"
},
{
"binary_name": "quassel-core",
"binary_version": "0.12.2-0ubuntu1.16.04.2"
},
{
"binary_name": "quassel-data",
"binary_version": "0.12.2-0ubuntu1.16.04.2"
},
{
"binary_name": "quassel-qt4",
"binary_version": "0.12.2-0ubuntu1.16.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "quassel",
"purl": "pkg:deb/ubuntu/quassel@0.12.2-0ubuntu1.16.04.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"0.12.2-0ubuntu1",
"0.12.2-0ubuntu1.16.04.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "quassel",
"binary_version": "1:0.12.4-3ubuntu1.18.04.3"
},
{
"binary_name": "quassel-client",
"binary_version": "1:0.12.4-3ubuntu1.18.04.3"
},
{
"binary_name": "quassel-core",
"binary_version": "1:0.12.4-3ubuntu1.18.04.3"
},
{
"binary_name": "quassel-data",
"binary_version": "1:0.12.4-3ubuntu1.18.04.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "quassel",
"purl": "pkg:deb/ubuntu/quassel@1:0.12.4-3ubuntu1.18.04.3?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:0.12.4-2ubuntu2",
"1:0.12.4-2ubuntu3",
"1:0.12.4-3ubuntu1",
"1:0.12.4-3ubuntu1.18.04.1",
"1:0.12.4-3ubuntu1.18.04.2",
"1:0.12.4-3ubuntu1.18.04.3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "quassel",
"binary_version": "1:0.13.1-3ubuntu2.1"
},
{
"binary_name": "quassel-client",
"binary_version": "1:0.13.1-3ubuntu2.1"
},
{
"binary_name": "quassel-core",
"binary_version": "1:0.13.1-3ubuntu2.1"
},
{
"binary_name": "quassel-data",
"binary_version": "1:0.13.1-3ubuntu2.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "quassel",
"purl": "pkg:deb/ubuntu/quassel@1:0.13.1-3ubuntu2.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:0.13.1-1ubuntu1",
"1:0.13.1-2ubuntu1",
"1:0.13.1-3ubuntu1",
"1:0.13.1-3ubuntu2",
"1:0.13.1-3ubuntu2.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "quassel",
"binary_version": "1:0.14.0-1ubuntu0.22.04.4"
},
{
"binary_name": "quassel-client",
"binary_version": "1:0.14.0-1ubuntu0.22.04.4"
},
{
"binary_name": "quassel-core",
"binary_version": "1:0.14.0-1ubuntu0.22.04.4"
},
{
"binary_name": "quassel-data",
"binary_version": "1:0.14.0-1ubuntu0.22.04.4"
}
]
},
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "quassel",
"purl": "pkg:deb/ubuntu/quassel@1:0.14.0-1ubuntu0.22.04.4?arch=source\u0026distro=jammy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:0.13.1-3ubuntu3",
"1:0.13.1-5ubuntu1",
"1:0.14.0-1",
"1:0.14.0-1build1",
"1:0.14.0-1ubuntu0.22.04.1",
"1:0.14.0-1ubuntu0.22.04.4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "quassel",
"binary_version": "1:0.14.0-2ubuntu3"
},
{
"binary_name": "quassel-client",
"binary_version": "1:0.14.0-2ubuntu3"
},
{
"binary_name": "quassel-core",
"binary_version": "1:0.14.0-2ubuntu3"
},
{
"binary_name": "quassel-data",
"binary_version": "1:0.14.0-2ubuntu3"
}
]
},
"package": {
"ecosystem": "Ubuntu:24.04:LTS",
"name": "quassel",
"purl": "pkg:deb/ubuntu/quassel@1:0.14.0-2ubuntu3?arch=source\u0026distro=noble"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:0.14.0-2ubuntu1",
"1:0.14.0-2ubuntu2",
"1:0.14.0-2ubuntu3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "quassel",
"binary_version": "1:0.14.0-3ubuntu2"
},
{
"binary_name": "quassel-client",
"binary_version": "1:0.14.0-3ubuntu2"
},
{
"binary_name": "quassel-core",
"binary_version": "1:0.14.0-3ubuntu2"
},
{
"binary_name": "quassel-data",
"binary_version": "1:0.14.0-3ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "quassel",
"purl": "pkg:deb/ubuntu/quassel@1:0.14.0-3ubuntu2?arch=source\u0026distro=questing"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:0.14.0-2ubuntu4",
"1:0.14.0-3ubuntu1",
"1:0.14.0-3ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "quassel",
"binary_version": "1:0.14.0-4ubuntu2"
},
{
"binary_name": "quassel-client",
"binary_version": "1:0.14.0-4ubuntu2"
},
{
"binary_name": "quassel-core",
"binary_version": "1:0.14.0-4ubuntu2"
},
{
"binary_name": "quassel-data",
"binary_version": "1:0.14.0-4ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "quassel",
"purl": "pkg:deb/ubuntu/quassel@1:0.14.0-4ubuntu2?arch=source\u0026distro=resolute"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:0.14.0-3ubuntu2",
"1:0.14.0-3ubuntu3",
"1:0.14.0-4ubuntu1",
"1:0.14.0-4ubuntu2"
]
}
],
"aliases": [],
"details": "Quassel through 0.13.1, when --require-ssl is enabled, launches without SSL or TLS support if a usable X.509 certificate is not found on the local system.",
"id": "UBUNTU-CVE-2021-34825",
"modified": "2026-05-20T14:53:24Z",
"published": "2021-06-17T14:15:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-34825"
},
{
"type": "REPORT",
"url": "https://github.com/quassel/quassel/pull/581"
},
{
"type": "REPORT",
"url": "https://bugs.quassel-irc.org/issues/1728"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-34825"
}
],
"related": [],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2021-34825"
]
}
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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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