Critical
atheme-services — security advisory
Atheme IRC Services before 7.2.12, when used in conjunction with InspIRCd, allows authentication bypass by ending an IRC handshake at a certain point during a challenge-response login sequence.
- Products
- atheme-services
- Affected versions
- 6.0.11-2, 6.0.11-2+deb8u1build0.16.04.1, 7.2.11-1, 7.2.11-1build1, 7.2.12-1, 7.2.12-1build1, 7.2.12-1build2, 7.2.12-2, 7.2.12-2.1ubuntu1, 7.2.9-1, 7.2.9-1build1, 7.2.9-3
- Fixed versions
- Not specified
- CVEs
- CVE-2022-24976
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:40 UTC · Revision 1
Source evidence
Atheme IRC Services before 7.2.12, when used in conjunction with InspIRCd, allows authentication bypass by ending an IRC handshake at a certain point during a challenge-response login sequence.
osv:UBUNTU-CVE-2022-24976
atheme-services
Fixed versions: Not specified
atheme-services
Fixed versions: Not specified
atheme-services
Fixed versions: Not specified
atheme-services
Fixed versions: Not specified
atheme-services
Fixed versions: Not specified
atheme-services
Fixed versions: Not specified
atheme-services
Fixed versions: Not specified
atheme-services
Fixed versions: Not specified
Complete source record
{
"id": "56932b6f3a48d6d45fb0f8d6f3c3f9a278061736bd4d3c9a41574a00a19665ca",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2022-24976",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2022-24976",
"summary": "Atheme IRC Services before 7.2.12, when used in conjunction with InspIRCd, allows authentication bypass by ending an IRC handshake at a certain point during a challenge-response login sequence.",
"evidence": "osv:UBUNTU-CVE-2022-24976",
"products": [
{
"name": {
"value": "atheme-services",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "6.0.11-2",
"evidence": "/affected/0/versions"
},
{
"value": "6.0.11-2+deb8u1build0.16.04.1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "atheme-services",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.9-1",
"evidence": "/affected/1/versions"
},
{
"value": "7.2.9-1build1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "atheme-services",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.9-3",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "atheme-services",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.11-1",
"evidence": "/affected/3/versions"
},
{
"value": "7.2.11-1build1",
"evidence": "/affected/3/versions"
},
{
"value": "7.2.12-1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "atheme-services",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.12-1",
"evidence": "/affected/4/versions"
},
{
"value": "7.2.12-1build1",
"evidence": "/affected/4/versions"
},
{
"value": "7.2.12-1build2",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "atheme-services",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.12-2",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "atheme-services",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.12-2",
"evidence": "/affected/6/versions"
},
{
"value": "7.2.12-2.1ubuntu1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "atheme-services",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "7.2.12-2",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "UBUNTU-CVE-2022-24976",
"aliases": [
"UBUNTU-CVE-2022-24976"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "atheme-services",
"purl": "pkg:deb/ubuntu/atheme-services?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"6.0.11-2",
"6.0.11-2+deb8u1build0.16.04.1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-24976.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "atheme-services",
"binary_version": "6.0.11-2+deb8u1build0.16.04.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "atheme-services",
"purl": "pkg:deb/ubuntu/atheme-services?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"7.2.9-1",
"7.2.9-1build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-24976.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "atheme-services",
"binary_version": "7.2.9-1build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "atheme-services",
"purl": "pkg:deb/ubuntu/atheme-services?arch=source&distro=focal",
"ecosystem": "Ubuntu:20.04:LTS"
},
"versions": [
"7.2.9-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-24976.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "atheme-services",
"binary_version": "7.2.9-3"
},
{
"binary_name": "atheme-services-contrib",
"binary_version": "7.2.9-3"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "atheme-services",
"purl": "pkg:deb/ubuntu/atheme-services?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"7.2.11-1",
"7.2.11-1build1",
"7.2.12-1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-24976.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "atheme-services",
"binary_version": "7.2.12-1"
},
{
"binary_name": "atheme-services-contrib",
"binary_version": "7.2.12-1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "atheme-services",
"purl": "pkg:deb/ubuntu/atheme-services?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"7.2.12-1",
"7.2.12-1build1",
"7.2.12-1build2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-24976.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "atheme-services",
"binary_version": "7.2.12-1build2"
},
{
"binary_name": "atheme-services-contrib",
"binary_version": "7.2.12-1build2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "atheme-services",
"purl": "pkg:deb/ubuntu/atheme-services?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"7.2.12-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-24976.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "atheme-services",
"binary_version": "7.2.12-2"
},
{
"binary_name": "atheme-services-contrib",
"binary_version": "7.2.12-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "atheme-services",
"purl": "pkg:deb/ubuntu/atheme-services?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"7.2.12-2",
"7.2.12-2.1ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-24976.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "atheme-services",
"binary_version": "7.2.12-2.1ubuntu1"
},
{
"binary_name": "atheme-services-contrib",
"binary_version": "7.2.12-2.1ubuntu1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
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{
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}
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}
],
"package": {
"name": "atheme-services",
"purl": "pkg:deb/ubuntu/atheme-services?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"7.2.12-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-24976.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "atheme-services",
"binary_version": "7.2.12-2"
},
{
"binary_name": "atheme-services-contrib",
"binary_version": "7.2.12-2"
}
]
}
}
],
"modified": "2026-10-17T12:55:57.004874814Z",
"provider": "osv",
"upstream": [
"CVE-2022-24976"
],
"references": [
"https://ubuntu.com/security/CVE-2022-24976",
"https://www.openwall.com/lists/oss-security/2022/01/30/4",
"https://github.com/atheme/atheme/commit/4e664c75d0b280a052eb8b5e81aa41944e593c52",
"https://www.cve.org/CVERecord?id=CVE-2022-24976"
]
},
"related_cves": [
{
"value": "CVE-2022-24976",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 354352,
"published_at": "2022-02-14T12:15:00+00:00"
}