Critical
ttyd — security advisory
An issue in ttyd v.1.6.3 allows attacker to execute arbitrary code via default configuration permissions.
- Products
- ttyd
- Affected versions
- 1.6.3+20210924-1, 1.6.3+20210924-1build1, 1.6.3-3, 1.7.3-2, 1.7.4-1, 1.7.4-1build1, 1.7.4-1build2, 1.7.7-2, 1.7.7-4, 1.7.7-4build1, 1.7.7-4build2
- Fixed versions
- Not specified
- CVEs
- CVE-2021-34182
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:59 UTC · Revision 1
Source evidence
An issue in ttyd v.1.6.3 allows attacker to execute arbitrary code via default configuration permissions.
osv:UBUNTU-CVE-2021-34182
ttyd
Fixed versions: Not specified
ttyd
Fixed versions: Not specified
ttyd
Fixed versions: Not specified
ttyd
Fixed versions: Not specified
ttyd
Fixed versions: Not specified
Complete source record
{
"id": "89a32f7072376ff552924cef3839d525669b39c028f92848f639f6a9ef29218c",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-34182",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2021-34182",
"summary": "An issue in ttyd v.1.6.3 allows attacker to execute arbitrary code via default configuration permissions.",
"evidence": "osv:UBUNTU-CVE-2021-34182",
"products": [
{
"name": {
"value": "ttyd",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.6.3-3",
"evidence": "/affected/0/versions"
},
{
"value": "1.6.3+20210924-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.6.3+20210924-1build1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "ttyd",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.7.3-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.7.4-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.7.4-1build1",
"evidence": "/affected/1/versions"
},
{
"value": "1.7.4-1build2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "ttyd",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.7.7-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.7.7-4",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "ttyd",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.7.7-4build1",
"evidence": "/affected/3/versions"
},
{
"value": "1.7.7-4build2",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "ttyd",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.7.7-4",
"evidence": "/affected/4/versions"
},
{
"value": "1.7.7-4build1",
"evidence": "/affected/4/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "UBUNTU-CVE-2021-34182",
"aliases": [
"UBUNTU-CVE-2021-34182"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ttyd",
"purl": "pkg:deb/ubuntu/ttyd?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.6.3-3",
"1.6.3+20210924-1",
"1.6.3+20210924-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34182.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ttyd",
"binary_version": "1.6.3+20210924-1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ttyd",
"purl": "pkg:deb/ubuntu/ttyd?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"1.7.3-2",
"1.7.4-1",
"1.7.4-1build1",
"1.7.4-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34182.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ttyd",
"binary_version": "1.7.4-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ttyd",
"purl": "pkg:deb/ubuntu/ttyd?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"1.7.7-2",
"1.7.7-4"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34182.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ttyd",
"binary_version": "1.7.7-4"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ttyd",
"purl": "pkg:deb/ubuntu/ttyd?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"1.7.7-4build1",
"1.7.7-4build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34182.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ttyd",
"binary_version": "1.7.7-4build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "ttyd",
"purl": "pkg:deb/ubuntu/ttyd?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"1.7.7-4",
"1.7.7-4build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34182.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ttyd",
"binary_version": "1.7.7-4build1"
}
]
}
}
],
"modified": "2026-10-17T12:56:20.037300512Z",
"provider": "osv",
"upstream": [
"CVE-2021-34182"
],
"references": [
"https://ubuntu.com/security/CVE-2021-34182",
"https://github.com/tsl0922/ttyd/issues/692",
"https://www.cve.org/CVERecord?id=CVE-2021-34182"
]
},
"related_cves": [
{
"value": "CVE-2021-34182",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 355310,
"published_at": "2023-02-17T18:15:00+00:00"
}