Medium
sslh — security advisory
A Use of Out-of-range Pointer Offset vulnerability in sslh leads to denial of service on some architectures.This issue affects sslh before 2.2.4.
- Products
- sslh
- Affected versions
- 1.17-2, 1.17-2ubuntu0.1~esm1, 1.18-1, 1.18-1ubuntu0.1~esm1, 1.20-1, 1.20-1+deb11u1build0.20.04.1, 1.20-1+deb11u1build0.22.04.1, 1.20-1.1, 1.22c-1, 1.22c-1ubuntu0.1~esm1, 2.1.4-1build1, 2.1.4-1build2, 2.1.4-1ubuntu0.25.10.1, 2.1.4-1ubuntu0.26.04.1
- Fixed versions
- Not specified
- CVEs
- CVE-2025-46806
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:28 UTC · Revision 1
Source evidence
A Use of Out-of-range Pointer Offset vulnerability in sslh leads to denial of service on some architectures.This issue affects sslh before 2.2.4.
osv:UBUNTU-CVE-2025-46806
sslh
Fixed versions: Not specified
sslh
Fixed versions: Not specified
sslh
Fixed versions: Not specified
sslh
Fixed versions: Not specified
sslh
Fixed versions: Not specified
sslh
Fixed versions: Not specified
sslh
Fixed versions: Not specified
sslh
Fixed versions: Not specified
Complete source record
{
"id": "74ef23a1becef38d1b2b51c076df735432d84a8ff85962109ef05741df154991",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-46806",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2025-46806",
"summary": "A Use of Out-of-range Pointer Offset vulnerability in sslh leads to denial of service on some architectures.This issue affects sslh before 2.2.4.",
"evidence": "osv:UBUNTU-CVE-2025-46806",
"products": [
{
"name": {
"value": "sslh",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.17-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.17-2ubuntu0.1~esm1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.18-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.18-1ubuntu0.1~esm1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "1.18-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.20-1",
"evidence": "/affected/2/versions"
},
{
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"evidence": "/affected/2/versions"
}
]
},
{
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"evidence": "/affected/3/package/name"
},
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"affected_versions": [
{
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"evidence": "/affected/3/versions"
},
{
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"evidence": "/affected/3/versions"
}
]
},
{
"name": {
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},
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"affected_versions": [
{
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"evidence": "/affected/4/versions"
},
{
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"evidence": "/affected/4/versions"
},
{
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"evidence": "/affected/4/versions"
}
]
},
{
"name": {
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"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.1.4-1build1",
"evidence": "/affected/5/versions"
},
{
"value": "2.1.4-1ubuntu0.25.10.1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.1.4-1build2",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "sslh",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.1.4-1build1",
"evidence": "/affected/7/versions"
},
{
"value": "2.1.4-1build2",
"evidence": "/affected/7/versions"
},
{
"value": "2.1.4-1ubuntu0.26.04.1",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2025-46806",
"aliases": [
"UBUNTU-CVE-2025-46806"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "sslh",
"purl": "pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps-legacy%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
"1.17-2",
"1.17-2ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46806.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "sslh",
"binary_version": "1.17-2ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "sslh",
"purl": "pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Fbionic",
"ecosystem": "Ubuntu:Pro:18.04:LTS"
},
"versions": [
"1.18-1",
"1.18-1ubuntu0.1~esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46806.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "sslh",
"binary_version": "1.18-1ubuntu0.1~esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "sslh",
"purl": "pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"1.18-1",
"1.20-1",
"1.20-1+deb11u1build0.20.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46806.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "sslh",
"binary_version": "1.20-1+deb11u1build0.20.04.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
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}
],
"package": {
"name": "sslh",
"purl": "pkg:deb/ubuntu/sslh?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"1.20-1",
"1.20-1+deb11u1build0.22.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46806.json"
},
"ecosystem_specific": {
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{
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{
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"package": {
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"purl": "pkg:deb/ubuntu/sslh?arch=source&distro=esm-apps%2Fnoble",
"ecosystem": "Ubuntu:Pro:24.04:LTS"
},
"versions": [
"1.20-1.1",
"1.22c-1",
"1.22c-1ubuntu0.1~esm1"
],
"database_specific": {
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},
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],
"package": {
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"purl": "pkg:deb/ubuntu/sslh?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"2.1.4-1build1",
"2.1.4-1ubuntu0.25.10.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46806.json"
},
"ecosystem_specific": {
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{
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}
]
}
},
{
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{
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],
"package": {
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"purl": "pkg:deb/ubuntu/sslh?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"2.1.4-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46806.json"
},
"ecosystem_specific": {
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{
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}
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{
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"package": {
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"purl": "pkg:deb/ubuntu/sslh?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"2.1.4-1build1",
"2.1.4-1build2",
"2.1.4-1ubuntu0.26.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-46806.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "sslh",
"binary_version": "2.1.4-1ubuntu0.26.04.1"
}
]
}
}
],
"modified": "2026-10-17T12:56:52.137345095Z",
"provider": "osv",
"upstream": [
"CVE-2025-46806"
],
"references": [
"https://ubuntu.com/security/CVE-2025-46806",
"https://www.cve.org/CVERecord?id=CVE-2025-46806",
"https://bugzilla.suse.com/show_bug.cgi?id=1243120",
"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-46806",
"https://github.com/yrutschle/sslh/releases/tag/v2.2.4"
]
},
"related_cves": [
{
"value": "CVE-2025-46806",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 356483,
"published_at": "2025-06-02T13:15:00+00:00"
}